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Iwan Jensen
An iwan (, , also as ''ivan'' or ''ivān''/''īvān'', , ) is a rectangular hall or space, usually vaulted, walled on three sides, with one end entirely open. The formal gateway to the iwan is called , a Persian term for a portal projecting from the facade of a building, usually decorated with calligraphy bands, glazed tilework, and geometric designs. Since the definition allows for some interpretation, the overall forms and characteristics can vary greatly in terms of scale, material, or decoration. Iwans are most commonly associated with Islamic architecture; however, the form is pre-Islamic Iranian in origin and was invented much earlier and fully developed in Mesopotamia around the third century CE, during the Parthian period. Etymology ''Iwan'' is a Persian word that was subsequently borrowed into other languages such as Arabic and Turkish. The New Persian form is ''eyvān'' and its etymology is unclear. A theory by scholars like Ernst Herzfeld and Walter Bruno Hennin ...
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Persepolis
Persepolis (; ; ) was the ceremonial capital of the Achaemenid Empire (). It is situated in the plains of Marvdasht, encircled by the southern Zagros mountains, Fars province of Iran. It is one of the key Iranian cultural heritage sites and a UNESCO World Heritage Site. The earliest remains of Persepolis date back to 515 BC. The city, acting as a major center for the empire, housed a palace complex and citadel designed to serve as the focal point for governance and ceremonial activities. It exemplifies the Achaemenid style of architecture. The complex was taken by the army of Alexander the Great in 330 BC, and soon after, its wooden parts were completely destroyed by fire, likely deliberately. The function of Persepolis remains unclear. It was not one of the largest cities in ancient Iran, let alone the rest of the empire, but appears to have been a grand ceremonial complex that was only occupied seasonally; the complex was raised high on a walled platform, with five "palac ...
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Barrel Vaults
A barrel vault, also known as a tunnel vault, wagon vault or wagonhead vault, is an architectural element formed by the extrusion of a single curve (or pair of curves, in the case of a pointed barrel vault) along a given distance. The curves are typically circular in shape, lending a semi-cylindrical appearance to the total design. The barrel vault is the simplest form of a vault: effectively a series of arches placed side by side (i.e., one after another). It is a form of barrel roof. As with all arch-based constructions, there is an outward thrust generated against the walls underneath a barrel vault. There are several mechanisms for absorbing this thrust. One is to make the walls exceedingly thick and strong – this is a primitive and sometimes unacceptable method. A more elegant method is to build two or more vaults parallel to each other; the forces of their outward thrusts will thus negate each other. This method was most often used in construction of churches, where sev ...
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Elam
Elam () was an ancient civilization centered in the far west and southwest of Iran, stretching from the lowlands of what is now Khuzestan and Ilam Province as well as a small part of modern-day southern Iraq. The modern name ''Elam'' stems from the Sumerian language, Sumerian transliteration ''elam(a)'', along with the later Akkadian language, Akkadian ''elamtu'', and the Elamite ''haltamti.'' Elamite states were among the leading political forces of the Ancient Near East. In classical literature, Elam was also known as Susiana ( ; ''Sousiānḗ''), a name derived from its capital Susa. Elam was part of the early Cities of the Ancient Near East, urbanization of the Near East during the Chalcolithic period (Copper Age). The emergence of written records from around 3000 BC also parallels Sumerian history, where slightly earlier records have been found. In the Old Elamite period (Bronze Age, Middle Bronze Age), Elam consisted of kingdoms on the Iranian plateau, centered in Ansha ...
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Susa
Susa ( ) was an ancient city in the lower Zagros Mountains about east of the Tigris, between the Karkheh River, Karkheh and Dez River, Dez Rivers in Iran. One of the most important cities of the Ancient Near East, Susa served as the capital of Elam and the winter capital of the Achaemenid Empire, and remained a strategic centre during the Parthian Empire, Parthian and Sasanian Empire, Sasanian periods. The site currently consists of three archaeological mounds, covering an area of around . The city of Shush, Iran, Shush is located on the site of ancient Susa. Name The name Susa is of Elamiate origin and has appeared in many languages: *Middle *Middle and Neo- *Neo-Elamite language, Elamite and Achaemenid Empire, Achaemenid *Achaemenid Empire, Achaemenid * * * * or *New * Literary references Susa was one of the most important cities of the Ancient Near East. In Historiography, historic literature, Susa appears in the very earliest Sumerian records: for exa ...
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Post And Lintel
Post and lintel (also called prop and lintel, a trabeated system, or a trilithic system) is a building system where strong horizontal elements are held up by strong vertical elements with large spaces between them. This is usually used to hold up a roof, creating a largely open space beneath, for whatever use the building is designed. The horizontal elements are called by a variety of names including lintel, header, architrave or beam, and the supporting vertical elements may be called posts, columns, or pillars. The use of wider elements at the top of the post, called capitals, to help spread the load, is common to many architectural traditions. Lintels In architecture, a post-and-lintel or trabeated system refers to the use of horizontal stone beams or lintels which are borne by columns or posts. The name is from the Latin ''trabs'', '' beam''; influenced by ''trabeatus'', clothed in the ''trabea'', a ritual garment. Post-and-lintel construction is one of four an ...
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Arcuated
An arch is a curved vertical structure spanning an open space underneath it. Arches may support the load above them, or they may perform a purely decorative role. As a decorative element, the arch dates back to the 4th millennium BC, but structural load-bearing arches became popular only after their adoption by the Ancient Romans in the 4th century BC. Arch-like structures can be horizontal, like an arch dam that withstands the horizontal hydrostatic pressure load. Arches are usually used as supports for many types of vaults, with the barrel vault in particular being a continuous arch. Extensive use of arches and vaults characterizes an arcuated construction, as opposed to the trabeated system, where, like in the architectures of ancient Greece, China, and Japan (as well as the modern steel-framed technique), posts and beams dominate. Arches had several advantages over the lintel, especially in the masonry construction: with the same amount of material it can have larger ...
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Vault (architecture)
In architecture, a vault (French ''voûte'', from Italian ''volta'') is a self-supporting arched form, usually of stone or brick, serving to cover a space with a ceiling or roof. As in building an arch, a temporary support is needed while rings of voussoirs are constructed and the rings placed in position. Until the topmost voussoir, the Keystone (architecture), keystone, is positioned, the vault is not self-supporting. Where timber is easily obtained, this temporary support is provided by centering consisting of a framed truss with a semicircular or Circular segment, segmental head, which supports the voussoirs until the ring of the whole arch is completed. The Mycenaean Greece, Mycenaeans (ca. 18th century BC, 1800–1050s BC, 1050 BC) were known for their Tholos (architecture), tholos tombs, also called beehive tombs, which were underground structures with conical vaults. This type of vault is one of the earliest evidences of curved brick architecture without the use of ston ...
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Yazd
Yazd (; ) is a city in the Central District of Yazd County, Yazd province, Iran, serving as capital of the province, the county, and the district. At the 2016 census, its population was 529,673. Since 2017, the historical city of Yazd is recognized as a World Heritage Site by UNESCO. Because of generations of adaptations to its desert surroundings, Yazd is known for its Persian architecture. It is nicknamed the "City of Windcatchers" ( ''Shahr-e Badgirha'') from its many examples. It is also very well known for its Zoroastrian fire temples, ab anbars (cisterns), qanats (underground channels), yakhchals (coolers), Persian handicrafts, handwoven cloth (''Persian termeh''), silk weaving, Persian cotton candy, and its time-honored confectioneries. Yazd is also known as City of Bicycles, because of its early adoption of cycling, and its boasting the highest number of bicycles per capita in Iran. It is reported that bicycle culture in Iran originated in Yazd as a result o ...
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Zoroastrians In Iran
Zoroastrianism is considered to be the oldest religion still practiced in Iran. It is an Iranian religion that emerged around the 2nd millennium BCE, spreading through the Iranian plateau and eventually gaining official status under the Achaemenid Empire in the 6th century BCE. It remained the Iranian state religion until the 7th century CE, when the Arab conquest of Persia resulted in the fall of the Sasanian Empire to the nascent Rashidun Caliphate. Over time, the persecution of Zoroastrians led to them becoming a religious minority amidst the Islamization of Iran, as many fled east to take refuge in India. Some of Zoroastrianism's holiest sites are located in Iran, such as Yazd. Today, Iran has the second- or third-largest Zoroastrian population in the world, behind only India and possibly the Kurdistan Region of Iraq. The official Iranian census of 2011 recorded a total of 25,271 Zoroastrians in the country, but several unofficial accounts suggest higher figures. Backgr ...
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Nisa, Turkmenistan
Nisa (; ; also Parthaunisa) was an ancient settlement of the Parthians, located near thBagyr neighborhoodof Ashgabat, Turkmenistan, 18 km west of the city center. Nisa is described by some as the first seat of the Arsacid Empire. It is traditionally assumed to have been founded by Arsaces I (reigned c. 250 BC–211 BC) and was reputedly the royal residence of the Parthian kings, although it has not been established that the fortress at Nisa was either a royal residence or a mausoleum. In 2007, the fortress was declared a World Heritage Site by UNESCO. History Nisa was a major trading hub in the Parthian Empire. It was later renamed Mithradātkert () by Mithridates I of Parthia (reigned c. 171 BC–138 BC). The region was famous for the beauty, agility and strength of its horses. Nisa was totally destroyed by an earthquake during the 1st decade BC. Excavations Excavations at Nisa have revealed substantial buildings, mausoleums and shrines, many inscribed documents, an ...
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Iraq
Iraq, officially the Republic of Iraq, is a country in West Asia. It is bordered by Saudi Arabia to Iraq–Saudi Arabia border, the south, Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq border, the east, the Persian Gulf and Kuwait to the Iraq–Kuwait border, southeast, Jordan to Iraq–Jordan border, the southwest, and Syria to Iraq–Syria border, the west. The country covers an area of and has Demographics of Iraq, a population of over 46 million, making it the List of countries by area, 58th largest country by area and the List of countries by population, 31st most populous in the world. Baghdad, home to over 8 million people, is the capital city and the List of largest cities of Iraq, largest in the country. Starting in the 6th millennium BC, the fertile plains between Iraq's Tigris and Euphrates rivers, referred to as Mesopotamia, fostered the rise of early cities, civilisations, and empires including Sumer, Akkadian Empire, Akkad, and Assyria. Known ...
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