Little Hagia Sophia
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Little Hagia Sophia Mosque (church) ( tr, Küçük Ayasofya Camii), formerly the Church of Saints Sergius and Bacchus ( el, , ''Ekklēsía tôn Hagíōn Sergíou kaì Bákchou en toîs Hormísdou''), is a former Greek
Eastern Orthodox Eastern Orthodoxy, also known as Eastern Orthodox Christianity, is one of the three main branches of Chalcedonian Christianity, alongside Catholicism and Protestantism. Like the Pentarchy of the first millennium, the mainstream (or " canonical ...
church Church may refer to: Religion * Church (building), a building for Christian religious activities * Church (congregation), a local congregation of a Christian denomination * Church service, a formalized period of Christian communal worship * C ...
dedicated to
Saints Sergius and Bacchus Sergius (or Serge) and Bacchus were fourth-century Roman Christian soldiers revered as martyrs and military saints by the Catholic, Eastern Orthodox and Oriental Orthodox Churches. Their feast day is 7 October. According to their hagiography, Se ...
in
Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya ( Arabic), Basileuousa ("Queen of Cities"), Megalopolis ( ...
, built between 532 and 536, and converted into a
mosque A mosque (; from ar, مَسْجِد, masjid, ; literally "place of ritual prostration"), also called masjid, is a place of prayer for Muslims. Mosques are usually covered buildings, but can be any place where prayers ( sujud) are performed, ...
during the
Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...
. This
Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
building with a central dome plan was erected in the sixth century by
Justinian Justinian I (; la, Iustinianus, ; grc-gre, Ἰουστινιανός ; 48214 November 565), also known as Justinian the Great, was the Byzantine emperor from 527 to 565. His reign is marked by the ambitious but only partly realized ''renovat ...
; despite its Turkish name, it likely was not a model for
Hagia Sophia Hagia Sophia ( 'Holy Wisdom'; ; ; ), officially the Hagia Sophia Grand Mosque ( tr, Ayasofya-i Kebir Cami-i Şerifi), is a mosque and major cultural and historical site in Istanbul, Turkey. The cathedral was originally built as a Greek Ortho ...
("Holy Wisdom"), with which its construction was contemporary, but it is nonetheless one of the most important early Byzantine buildings in
Istanbul ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_i ...
. It was recognized at the time by
Procopius Procopius of Caesarea ( grc-gre, Προκόπιος ὁ Καισαρεύς ''Prokópios ho Kaisareús''; la, Procopius Caesariensis; – after 565) was a prominent late antique Greek scholar from Caesarea Maritima. Accompanying the Roman gen ...
as an adornment to the entire city, and a modern historian of the East Roman Empire has written that the church "by the originality of its architecture and the sumptuousness of its carved decoration, ranks in Constantinople second only to St Sophia itself".Norwich (1988), p. 531


Location

The building stands in
Istanbul ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_i ...
, in the district of Fatih and in the neighbourhood of Kumkapı, at a short distance from the
Marmara Sea The Sea of Marmara,; grc, Προποντίς, Προποντίδα, Propontís, Propontída also known as the Marmara Sea, is an inland sea located entirely within the borders of Turkey. It connects the Black Sea to the Aegean Sea via the ...
, near the ruins of the Great Palace and to the south of the
Hippodrome The hippodrome ( el, ἱππόδρομος) was an ancient Greek stadium for horse racing and chariot racing. The name is derived from the Greek words ''hippos'' (ἵππος; "horse") and ''dromos'' (δρόμος; "course"). The term is used i ...
. It is now separated from the sea by the
Sirkeci Sirkeci () is a neighborhood in the Eminönü quarter of the Fatih district in Istanbul, Turkey. The neighborhood borders to the north the mouth of the Golden Horn, to the west the neighborhood of Bahçekapı, to the east the Topkapı Palace a ...
-Halkalı suburban railway line and the coastal road,
Kennedy Avenue Kennedy Avenue ( tr, Kennedy Caddesi) is a -long avenue in Istanbul, Turkey that travels southwest from Sirkeci district to Bakırköy District and most importantly to the Atatürk Airport. The avenue is named for the 35th U.S. President, John F. K ...
.


History


Byzantine period

According to later legend, during the reign of
Justin I Justin I ( la, Iustinus; grc-gre, Ἰουστῖνος, ''Ioustînos''; 450 – 1 August 527) was the Eastern Roman emperor from 518 to 527. Born to a peasant family, he rose through the ranks of the army to become commander of the imperial ...
, his nephew
Justinian Justinian I (; la, Iustinianus, ; grc-gre, Ἰουστινιανός ; 48214 November 565), also known as Justinian the Great, was the Byzantine emperor from 527 to 565. His reign is marked by the ambitious but only partly realized ''renovat ...
had been accused of plotting against the throne and was sentenced to death, avoided after Saints Sergius and Bacchus appeared before Justin and vouched for Justinian's innocence. He was freed and restored to his title of
Caesar Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, an ...
, and in gratitude vowed that he would dedicate a church to the saints once he became emperor. The construction of this Church of Saints Sergius and Bacchus, between 527 and 536 AD (only a short time before the erection of the
Hagia Sophia Hagia Sophia ( 'Holy Wisdom'; ; ; ), officially the Hagia Sophia Grand Mosque ( tr, Ayasofya-i Kebir Cami-i Şerifi), is a mosque and major cultural and historical site in Istanbul, Turkey. The cathedral was originally built as a Greek Ortho ...
between 532 and 537), was one of the first acts of the reign of Justinian I.Freely (2000), p. 137 The new church lay at the border between the First and Third ''Regio'' of the City,Müller-Wiener (1977), p. 177 in an irregular area between the Palace of Hormisdas (the house of Justinian before his accession to the throne) and the Church of the Saints Peter and
Paul Paul may refer to: *Paul (given name), a given name (includes a list of people with that name) * Paul (surname), a list of people People Christianity *Paul the Apostle (AD c.5–c.64/65), also known as Saul of Tarsus or Saint Paul, early Chri ...
. Back then, the two churches shared the same
narthex The narthex is an architectural element typical of early Christian and Byzantine basilicas and churches consisting of the entrance or lobby area, located at the west end of the nave, opposite the church's main altar. Traditionally the narthex ...
,
atrium Atrium may refer to: Anatomy * Atrium (heart), an anatomical structure of the heart * Atrium, the genital structure next to the genital aperture in the reproductive system of gastropods * Atrium of the ventricular system of the brain * Pulmona ...
and propylaea. The new church became the centre of the complex, and part still survives today, towards the south of the northern wall of one of the two other edifices. The church was one of the most important religious structures in Constantinople. Shortly after the building of the church a
monastery A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of monastics, monks or nuns, whether living in communities or alone ( hermits). A monastery generally includes a place reserved for prayer whi ...
bearing the same name was built near the edifice. Construction of the new church began shortly before that of
Hagia Sophia Hagia Sophia ( 'Holy Wisdom'; ; ; ), officially the Hagia Sophia Grand Mosque ( tr, Ayasofya-i Kebir Cami-i Şerifi), is a mosque and major cultural and historical site in Istanbul, Turkey. The cathedral was originally built as a Greek Ortho ...
, built from 532 to 537. It was believed that the building had been designed by the same architects,
Isidorus Isidorus (born c. 139) was a native ancient Egyptian priest in the 2nd century during the Roman rule in Egypt. He led the native Egyptian revolt against Roman rule during the reign of emperor Marcus Aurelius.Dio CassiusEpitome 72/ref> The likely ...
of Miletus and
Anthemius Procopius Anthemius (died 11 July 472) was western Roman emperor from 467 to 472. Perhaps the last capable Western Roman Emperor, Anthemius attempted to solve the two primary military challenges facing the remains of the Western Roman Empire: ...
of Tralles, as a kind of "dress rehearsal" for that of the largest church of the Byzantine Empire. However, the building is quite different in architectural detail from the Hagia Sophia and the notion that it was but a small-scale version has largely been discredited. Instead, the church built by
Anicia Juliana Anicia Juliana (Greek: Ανικία Ιουλιανή, Constantinople, 462 – 527/528) was a Late Antique Roman imperial princess, wife of the ''magister militum'' of the eastern Roman empire, Areobindus Dagalaiphus Areobindus, patron of the ...
around a decade before SS. Sergius & Bacchus's construction, the
Sasanian The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named ...
-influenced
Church of St Polyeuctus The Church of St. Polyeuctus (; tr, Ayios Polieuktos Kilisesi) was an ancient Byzantine church in Constantinople (now Istanbul, Turkey) built by the noblewoman Anicia Juliana and dedicated to Saint Polyeuctus. Intended as an assertion of Julia ...
- the largest church in Constantinople until Hagia Sophia's construction - was likely the most direct influence. Even so, because Anicia Juliana's St Polyeuctus, built 519-522, was not domed with brick but instead covered three opposing pairs of exhedrae with a wooden roof typical of a basilica, the immediate architectural precedent of both SS. Sergius & Bacchus and Hagia Sophia must be found in
pendentive In architecture, a pendentive is a constructional device permitting the placing of a circular dome over a square room or of an elliptical dome over a rectangular room. The pendentives, which are triangular segments of a sphere, taper to point ...
domes elsewhere, such as in the so-called
Mausoleum of Galla Placidia The Mausoleum of Galla Placidia is a Late Antique Roman building in Ravenna, Italy, built between 425 and 450. It was added to the World Heritage List together with seven other structures in Ravenna in 1996. Despite its common name, the empress G ...
in
Ravenna Ravenna ( , , also ; rgn, Ravèna) is the capital city of the Province of Ravenna, in the Emilia-Romagna region of Northern Italy. It was the capital city of the Western Roman Empire from 408 until its collapse in 476. It then served as the ca ...
and the several earlier Byzantine domes rotundas and polygons whose foundations survive. During the years 536 and 537, the Palace of Hormisdas became a Monophysite monastery, where followers of that sect, coming from the eastern regions of the Empire and escaping the persecutions against them, found protection by
Empress Theodora Theodora is a given name of Greek origin, meaning "God's gift". Theodora may also refer to: Historical figures known as Theodora Byzantine empresses * Theodora (wife of Justinian I) ( 500 – 548), saint by the Orthodox Church * Theodora of ...
.Müller-Wiener (1977), p. 178 In year 551
Pope Vigilius Pope Vigilius (died 7 June 555) was the bishop of Rome from 29 March 537 to his death. He is considered the first pope of the Byzantine papacy. Born into Roman aristocracy, Vigilius served as a deacon and papal ''apocrisiarius'' in Constantino ...
, who some years before had been summoned to Constantinople by Justinian, found refuge in the church from the soldiers of the Emperor who wanted to capture him, and this attempt caused riots. During the Iconoclastic period the monastery became one of the centres of this movement in the City.


Ottoman period

After the Ottoman
conquest of Constantinople The Fall of Constantinople, also known as the Conquest of Constantinople, was the capture of the capital of the Byzantine Empire by the Ottoman Empire. The city fell on 29 May 1453 as part of the culmination of a 53-day siege which had begun o ...
in 1453, the church remained untouched until the reign of Bayezid II. Then (between 1506 and 1513) it was transformed into a mosque by Hüseyin Ağa, the
Chief Black Eunuch The kizlar agha ( ota, قيزلر اغاسی, tr, kızlar ağası, ), formally the agha of the House of Felicity ( ota, links=no, دار السعاده اغاسي, tr, links=no, Darüssaade Ağası), was the head of the eunuchs who guarded the ...
, custodian of the ''Bab-ı-Saadet'' (literally ''The Gate of Felicity'' in Ottoman Turkish) in the Sultan's residence, the
Topkapı Palace The Topkapı Palace ( tr, Topkapı Sarayı; ota, طوپقپو سرايى, ṭopḳapu sarāyı, lit=cannon gate palace), or the Seraglio, is a large museum in the east of the Fatih district of Istanbul in Turkey. From the 1460s to the complet ...
. At that time the portico and madrasah were added to the church.Müller-Wiener (1977), p. 182 In 1740 the Grand Vizier Hacı Ahmet Paşa restored the mosque and built the '' Şadırvan'' (fountain). Damage caused by the earthquakes of 1648 and 1763 was repaired in 1831 under the reign of Sultan
Mahmud II Mahmud II ( ota, محمود ثانى, Maḥmûd-u s̠ânî, tr, II. Mahmud; 20 July 1785 – 1 July 1839) was the 30th Sultan of the Ottoman Empire from 1808 until his death in 1839. His reign is recognized for the extensive administrative, ...
. In 1762 the minaret was first built. It was demolished in 1940 and built again in 1956. The pace of decay of the building, which already suffered because of humidity and earthquakes through the centuries, accelerated after the construction of the railway. Parts of SS. Peter and Paul to the south of the building were demolished to accommodate the rail line. Other damage was caused by the building's use as housing for the refugees during the Balkan Wars. Due to the increasing threats to the building's static integrity, it was added some years ago to the
UNESCO The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, arts, sciences and culture. It ...
watch list of endangered monuments. The
World Monuments Fund World Monuments Fund (WMF) is a private, international, non-profit organization dedicated to the preservation of historic architecture and cultural heritage sites around the world through fieldwork, advocacy, grantmaking, education, and trainin ...
added it to its Watch List of the 100 Most Endangered Sites in 2002, 2004, and 2006. After an extensive restoration which lasted several years and ended in September 2006, it has been opened again to the public and for worship.


Architecture


Exterior

The exterior
masonry Masonry is the building of structures from individual units, which are often laid in and bound together by mortar; the term ''masonry'' can also refer to the units themselves. The common materials of masonry construction are bricks, building ...
of the structure adopts the usual technique of that period in Constantinople, which uses bricks sunk in thick beds of mortar. The walls are reinforced by chains made of small stone blocks. The building, the central plan of which was consciously repeated in the
basilica In Ancient Roman architecture, a basilica is a large public building with multiple functions, typically built alongside the town's Forum (Roman), forum. The basilica was in the Latin West equivalent to a stoa in the Greek East. The building ...
of San Vitale in
Ravenna Ravenna ( , , also ; rgn, Ravèna) is the capital city of the Province of Ravenna, in the Emilia-Romagna region of Northern Italy. It was the capital city of the Western Roman Empire from 408 until its collapse in 476. It then served as the ca ...
and served as a model for the famous Ottoman architect
Mimar Sinan Mimar Sinan ( ota, معمار سينان, translit=Mi'mâr Sinân, , ) ( 1488–1490 – 17 July 1588) also known as Koca Mi'mâr Sinân Âğâ, ("Sinan Agha the Grand Architect" or "Grand Sinan") was the chief Ottoman architect ( tr, l ...
in the construction of the
Rüstem Pasha Mosque The Rüstem Pasha Mosque ( tr, Rüstem Paşa Camii) is an Ottoman mosque located in the Hasırcılar Çarşısı (Strawmat Weavers Market) in the Tahtakale neighborhood of the Fatih district of Istanbul, Turkey, near the Spice Bazaar. Named aft ...
, has the shape of an octagon inscribed in an irregular quadrilateral. It is surmounted by a beautiful umbrella dome in sixteen compartments with eight flat sections alternating with eight concave ones, standing on eight polygonal
pillars A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member. ...
. The
narthex The narthex is an architectural element typical of early Christian and Byzantine basilicas and churches consisting of the entrance or lobby area, located at the west end of the nave, opposite the church's main altar. Traditionally the narthex ...
lies on the west side, opposed to an antechoir. Many effects in the building were later used in Hagia Sophia: the
exedra An exedra (plural: exedras or exedrae) is a semicircular architectural recess or platform, sometimes crowned by a semi-dome, and either set into a building's façade or free-standing. The original Greek sense (''ἐξέδρα'', a seat out of d ...
e expand the central nave on diagonal axes, colourful columns screen the ambulatories from the
nave The nave () is the central part of a church, stretching from the (normally western) main entrance or rear wall, to the transepts, or in a church without transepts, to the chancel. When a church contains side aisles, as in a basilica-type ...
, and light and shadow contrast deeply on the sculpture of capitals and entablature. In front of the building there is a portico (which replaced the
atrium Atrium may refer to: Anatomy * Atrium (heart), an anatomical structure of the heart * Atrium, the genital structure next to the genital aperture in the reproductive system of gastropods * Atrium of the ventricular system of the brain * Pulmona ...
) and a court (both added during the Ottoman period), with a small garden, a fountain for the ablutions and several small shops.


Interior

Inside the edifice there is a beautiful two-storey
colonnade In classical architecture, a colonnade is a long sequence of columns joined by their entablature, often free-standing, or part of a building. Paired or multiple pairs of columns are normally employed in a colonnade which can be straight or cur ...
which runs along the north, west and south sides, and bears an elegant inscription in twelve Greek
hexameter Hexameter is a metrical line of verses consisting of six feet (a "foot" here is the pulse, or major accent, of words in an English line of poetry; in Greek and Latin a "foot" is not an accent, but describes various combinations of syllables). It w ...
s dedicated to the
Emperor An emperor (from la, imperator, via fro, empereor) is a monarch, and usually the sovereignty, sovereign ruler of an empire or another type of imperial realm. Empress, the female equivalent, may indicate an emperor's wife (empress consort), ...
Justinian, his wife,
Theodora Theodora is a given name of Greek origin, meaning "God's gift". Theodora may also refer to: Historical figures known as Theodora Byzantine empresses * Theodora (wife of Justinian I) ( 500 – 548), saint by the Orthodox Church * Theodora o ...
, and
Saint Sergius Sergius (or Serge) and Bacchus were fourth-century Roman Christian soldiers revered as martyrs and military saints by the Catholic, Eastern Orthodox and Oriental Orthodox Churches. Their feast day is 7 October. According to their hagiography ...
, the patron-saint of the soldiers of the
Roman army The Roman army (Latin: ) was the armed forces deployed by the Romans throughout the duration of Ancient Rome, from the Roman Kingdom (c. 500 BC) to the Roman Republic (500–31 BC) and the Roman Empire (31 BC–395 AD), and its medieval contin ...
. For some unknown reason,
Saint Bacchus Sergius (or Serge) and Bacchus were fourth-century Roman Christian soldiers revered as martyrs and military saints by the Catholic, Eastern Orthodox and Oriental Orthodox Churches. Their feast day is 7 October. According to their hagiography, Se ...
is not mentioned. The columns are alternately of
verd antique Verd antique (obsolete French, from Italian, ''verde antico'', "ancient green"), also called verde antique, ''marmor thessalicum'', or Ophite, is a serpentinite breccia popular since ancient times as a decorative facing stone. It is a dark, dull ...
and red Synnadic
marble Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble is typically not foliated (layered), although there are exceptions. In geology, the term ''marble'' refers to metamorphose ...
; the lower storey has 16, while the upper has 18. Many of the column capitals still bear the monograms of
Justinian Justinian I (; la, Iustinianus, ; grc-gre, Ἰουστινιανός ; 48214 November 565), also known as Justinian the Great, was the Byzantine emperor from 527 to 565. His reign is marked by the ambitious but only partly realized ''renovat ...
and Theodora.Capitals of similar shape are also used in the church of Hagios Andreas en te Krisei, another sixth-century foundation in Constantinople. Van Millingen (1912), p. 115 File:20101222_interior1_Kucuk_Ayasofya_Mosque_Istanbul_Turkey.jpg, The
Apse In architecture, an apse (plural apses; from Latin 'arch, vault' from Ancient Greek 'arch'; sometimes written apsis, plural apsides) is a semicircular recess covered with a hemispherical vault or semi-dome, also known as an '' exedra''. ...
of the former Church with the Mihrab. The Minbar is seen in the foreground. File:Interior of Sergius and Bacchus Church-3.JPG, Column detail and northern part of the dome. File:Interior of Sergius and Bacchus Church-2.JPG, The dome. File:Interior of Sergius and Bacchus Church-5.JPG, The gallery. File:20101222_interior2_Kucuk_Ayasofya_Mosque_Istanbul_Turkey.jpg, Colonnades. File:Hagios Sergios kai Bakchios.JPG, Interior north-west (1914). File:Little Aya Sophia 3296.jpg, Little Hagia Sophia exterior File:Little Aya Sophia 0982.jpg, Little Hagia Sophia view from graveyard in its back File:Little Aya Sophia 9617.jpg, Little Aya Sophia wide angle view File:Little Aya Sophia 3278.jpg, Little Hagia Sophia view from first floor File:Little Aya Sophia 418.jpg, Little Hagia Sophia view from first floor File:Little Aya Sophia 3281.jpg, Little Hagia Sophia view from first floor File:Little Aya Sofia 5362.jpg, Little Hagia Sophia rim under first floor File:Little Aya Sophia 9608.jpg, Little Hagia Sophia column and rim under first floor File:Küçük Ayasofya Camii Detaylar-4.jpg, Little Hagia Sophia details from the interior File:Küçük Ayasofya Camii Detaylar-3.jpg, Little Hagia Sophia details from the interior File:Küçük Ayasofya Camii Detaylar-2.jpg, Little Hagia Sophia details from the interior File:Küçük Ayasofya Camii Detaylar.jpg, Little Hagia Sophia details from the interior
Nothing remains of the original interior decoration of the church, which contemporary chroniclers describe as being covered in mosaics with walls of variegated marble. During the Ottoman conversion into a mosque, the windows and entrance were modified, floor level raised, and interior walls plastered.Mathews (1976), p. 242


Grounds

North of the edifice there is a small Muslim cemetery with the
türbe ''Türbe'' is the Turkish word for "tomb". In Istanbul it is often used to refer to the mausolea of the Ottoman sultans and other nobles and notables. The word is derived from the Arabic ''turbah'' (meaning ''"soil/ground/earth"''), which ...
of Hüseyin Ağa, the founder of the mosque.


See also

*
History of Roman and Byzantine domes Domes were a characteristic element of the architecture of Ancient Rome and of its medieval continuation, the Byzantine Empire. They had widespread influence on contemporary and later styles, from Russian and Ottoman architecture to the Italian ...


References


Bibliography

*Bardill, Jonathan (2000)
"The Church of Sts. Sergius and Bacchus in Constantinople and the Monophysite Refugees"
extract from ''Dumbarton Oaks Papers No. 54''. Washington: Dumbarton Oaks Research Library and Collection. * * * * Mango, Cyril (1975). ''Byzantine Architecture''. New York: Harry N. Abrams, Inc. . * * * * *


Further reading

* Weitzmann, Kurt, ed.,
Age of spirituality: late antique and early Christian art, third to seventh century
', no. 249, 1979,
Metropolitan Museum of Art The Metropolitan Museum of Art of New York City, colloquially "the Met", is the largest art museum in the Americas. Its permanent collection contains over two million works, divided among 17 curatorial departments. The main building at 1000 ...
, New York, ; full text available online from The Metropolitan Museum of Art Libraries


External links


Over 40 pictures of the mosque
{{Authority control 6th-century churches Buildings of Justinian I Byzantine sacred architecture Mosque buildings with domes Fatih Historic sites in Turkey Mosques converted from churches in Istanbul Articles containing video clips World Heritage Sites in Turkey Church buildings with domes