Xiadu Subdistrict
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Xiadu Subdistrict
The Xiadu or Lower Capital of Yan () was one of the capitals of Yan during the Warring States period of ancient China. Xiadu may have been the largest city in the world from 400 to 300 BC, with an estimated peak population over 300,000. The remains of the city are located in Yi County, Baoding, Hebei Province. At 30 km², Xiadu is the largest excavated city from the Warring States period. Xiadu was surrounded by a moat and rammed earth wall; the base of the city walls measured 40 m at its widest. A portion of the old city wall, measuring up to 6.8 m high, still remains today. The ruins were first excavated in 1929 by an archaeological expedition from Peking University. The city was built in the Taihang Mountains, flanked by the Beiyi River to its north and by the Zhongyi River to its south. The difficult topography made it easy to defend from attack. The city was square, with a wall and canal running north–south through its center, dividing the city into eastern and w ...
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Yan (state)
Yan (; Old Chinese pronunciation: ''*'') was an ancient Chinese state during the Zhou dynasty. Its capital was Ji (later known as Yanjing and now Beijing). During the Warring States period, the court was also moved to another capital at Xiadu at times. The history of Yan began in the Western Zhou in the early first millennium BC. After the authority of the Zhou king declined during the Spring and Autumn period in the 8th century BC, Yan survived and became one of the strongest states in China. During the Warring States period from the 5th to 3rd centuries BC, Yan was one of the last states to be conquered by the armies of Qin Shihuang: Yan fell in 222 BC, the year before the declaration of the Qin Empire. Yan experienced a brief period of independence after the collapse of the Qin dynasty in 207 BC, but it was eventually absorbed by the victorious Han. During its height, Yan stretched from the Yellow River (at the time, the river followed a more northerly course than at prese ...
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Taihang Mountains
The Taihang Mountains () are a Chinese mountain range running down the eastern edge of the Loess Plateau in Shanxi, Henan and Hebei provinces. The range extends over from north to south and has an average elevation of . The principal peak is Mount Xiaowutai (). The Taihang's eastern peak is Mount Cangyan in Hebei; Baishi Mountain forms its northern tip. The Taihang Mountains were formed during the Jurassic. Brown forest and cinnamon soils are found here. The name of Shanxi Province, meaning "west of the mountains", derives from its location west of the Taihang Mountains. The name of Shandong Province (east of the mountains) originally applied to the area east of the Xiao Mountains, but by the Tang dynasty it refers to the area east of the Taihang Mountains; this entity evolved into the modern-day Shandong Province, though the actual border of the province has moved considerably to the east. The Hai River system runs through the Taihang Mountains. The Red Flag Canal is loc ...
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Ancient Chinese Capitals
Ancient history is a time period from the beginning of writing and recorded human history to as far as late antiquity. The span of recorded history is roughly 5,000 years, beginning with the Sumerian cuneiform script. Ancient history covers all continents inhabited by humans in the period 3000 BCAD 500. The three-age system periodizes ancient history into the Stone Age, the Bronze Age, and the Iron Age, with recorded history generally considered to begin with the Bronze Age. The start and end of the three ages varies between world regions. In many regions the Bronze Age is generally considered to begin a few centuries prior to 3000 BC, while the end of the Iron Age varies from the early first millennium BC in some regions to the late first millennium AD in others. During the time period of ancient history, the world population was already exponentially increasing due to the Neolithic Revolution, which was in full progress. While in 10,000 BC, the world population stood ...
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Archaeological Sites In China
Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes. Archaeology can be considered both a social science and a branch of the humanities. It is usually considered an independent academic discipline, but may also be classified as part of anthropology (in North America – the four-field approach), history or geography. Archaeologists study human prehistory and history, from the development of the first stone tools at Lomekwi in East Africa 3.3 million years ago up until recent decades. Archaeology is distinct from palaeontology, which is the study of fossil remains. Archaeology is particularly important for learning about prehistoric societies, for which, by definition, there are no written records. Prehistory includes over 99% of the human past, from the Paleolithic until the advent ...
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Tumulus
A tumulus (plural tumuli) is a mound of earth and stones raised over a grave or graves. Tumuli are also known as barrows, burial mounds or ''kurgans'', and may be found throughout much of the world. A cairn, which is a mound of stones built for various purposes, may also originally have been a tumulus. Tumuli are often categorised according to their external apparent shape. In this respect, a long barrow is a long tumulus, usually constructed on top of several burials, such as passage graves. A round barrow is a round tumulus, also commonly constructed on top of burials. The internal structure and architecture of both long and round barrows has a broad range; the categorization only refers to the external apparent shape. The method of may involve a dolmen, a cist, a mortuary enclosure, a mortuary house, or a chamber tomb. Examples of barrows include Duggleby Howe and Maeshowe. Etymology The word ''tumulus'' is Latin for 'mound' or 'small hill', which is derived from th ...
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Canal
Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow under atmospheric pressure, and can be thought of as artificial rivers. In most cases, a canal has a series of dams and locks that create reservoirs of low speed current flow. These reservoirs are referred to as ''slack water levels'', often just called ''levels''. A canal can be called a ''navigation canal'' when it parallels a natural river and shares part of the latter's discharges and drainage basin, and leverages its resources by building dams and locks to increase and lengthen its stretches of slack water levels while staying in its valley. A canal can cut across a drainage divide atop a ridge, generally requiring an external water source above the highest elevation. The best-known example of such a canal is the Panama Canal. Many ...
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Peking University
Peking University (PKU; ) is a public research university in Beijing, China. The university is funded by the Ministry of Education. Peking University was established as the Imperial University of Peking in 1898 when it received its royal charter by the Guangxu Emperor. A successor of the older ''Guozijian'' Imperial College, the university's romanized name 'Peking' retains the older transliteration of 'Beijing' that has been superseded in most other contexts. Perennially ranked as one of the top academic institutions in China and the world; as of 2021 Peking University was ranked 16th globally and 1st in the Asia-Pacific & emerging countries by Times Higher Education, while as of 2022 it was ranked 12th globally and 1st in Asia by QS University Rankings. Throughout its history, Peking University has had an important role "at the center of major intellectual movements" in China. Abolished of its status as a royal institution after the fall of the Qing dynasty and the Xinhai R ...
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Warring States Period
The Warring States period () was an era in History of China#Ancient China, ancient Chinese history characterized by warfare, as well as bureaucratic and military reforms and consolidation. It followed the Spring and Autumn period and concluded with the Qin's wars of unification, Qin wars of conquest that saw the annexation of all other contender states, which ultimately led to the Qin (state), Qin state's victory in 221 BC as the first unified History of China#Imperial China, Chinese empire, known as the Qin dynasty. Although different scholars point toward different dates ranging from 481 BC to 403 BC as the true beginning of the Warring States, Sima Qian's choice of 475 BC is the most often cited. The Warring States era also overlaps with the second half of the Eastern Zhou Period, Eastern Zhou dynasty, though the Chinese sovereign, known as the king of Zhou, ruled merely as a figurehead and served as a backdrop against the machinations of the warring states. The "Warring St ...
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Rammed Earth
Rammed earth is a technique for constructing foundations, floors, and walls using compacted natural raw materials such as earth, chalk, lime, or gravel. It is an ancient method that has been revived recently as a sustainable building method. Under its French name of pisé it is also a material for sculptures, usually small and made in molds. It has been especially used in Central Asia and Tibetan art, and sometimes in China. Edifices formed of rammed earth are on every continent except Antarctica, in a range of environments including temperate, wet, semiarid desert, montane, and tropical regions. The availability of suitable soil and a building design appropriate for local climatic conditions are the factors that favour its use. The French term "pisé de terre" or "terre pisé" was sometimes used in English for architectural uses, especially in the 19th century. The process Making rammed earth involves compacting a damp mixture of subsoil that has suitable proportions ...
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Moat
A moat is a deep, broad ditch, either dry or filled with water, that is dug and surrounds a castle, fortification, building or town, historically to provide it with a preliminary line of defence. In some places moats evolved into more extensive water defences, including natural or artificial lakes, dams and sluices. In older fortifications, such as hillforts, they are usually referred to simply as ditches, although the function is similar. In later periods, moats or water defences may be largely ornamental. They could also act as a sewer. Historical use Ancient Some of the earliest evidence of moats has been uncovered around ancient Egyptian castles. One example is at Buhen, a castle excavated in Nubia. Other evidence of ancient moats is found in the ruins of Babylon, and in reliefs from ancient Egypt, Assyria, and other cultures in the region. Evidence of early moats around settlements has been discovered in many archaeological sites throughout Southeast Asia, including ...
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