The Ancient City Wall of the Chengtoushan Ruin

Chengtoushan () was a

Neolithic The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several pa ...

settlement located on the northwestern edge of

Dongting Lake Dongting Lake () is a large, shallow lake in northeastern Hunan Province, China. It is a flood basin of the Yangtze River, so its volume depends on the season. The provinces of Hubei and Hunan are named after their location relative to the l ...

in Li County,

Hunan Hunan (, ; ) is a landlocked province of the People's Republic of China, part of the South Central China region. Located in the middle reaches of the Yangtze watershed, it borders the province-level divisions of Hubei to the north, Jiangx ...

, China. The site is at the village of Chengtoushan,

Chengtoushan Town Chengtoushan Town () is a town in Li County, Hunan Province, China. It was reformed on November 23, 2015., also see *, or * The town has an area of , as of 2015, it has a census registered population of 69,500. Chengtoushan Town is divided into ...

, Li County, it is about northwest of the

county seat A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US ...

and north of the

Li River The Li River or Li Jiang () is the name for the upper reaches of the Gui River in northwestern Guangxi, China. It is part of the Xijiang River system in the Pearl River Basin. The river flows from Xing'an County to Pingle County, where the ka ...

The site contains one of the earliest dated

rice Rice is the seed of the grass species '' Oryza sativa'' (Asian rice) or less commonly ''Oryza glaberrima'' (African rice). The name wild rice is usually used for species of the genera '' Zizania'' and '' Porteresia'', both wild and domesticat ...

paddies in the world (dating from 4500 to 3000 BC). The settlement spanned three separate cultures: the

Daxi culture The Daxi culture (5000–3300 BC) was a Neolithic culture centered in the Three Gorges region around the middle Yangtze, China. The culture ranged from western Hubei to eastern Sichuan and the Pearl River Delta. The site at Daxi, located in the Qut ...

, the

Qujialing culture The Qujialing culture (3400–2600 BC) was a Neolithic civilisation centered primarily on the middle Yangtze River region in Hubei and Hunan, China. The culture succeeded the Daxi culture and reached southern Shaanxi, northern Jiangxi and southwes ...

and the

Shijiahe culture The Shijiahe culture (2500–2000 BC) was a late Neolithic culture centered on the middle Yangtze River region in Shijiahe Town, Tianmen, Hubei Province, China. It succeeded the Qujialing culture in the same region and inherited its unique arte ...

. The site was abandoned around the middle period of the Shijiahe culture. Chengtoushan was a round settlement surrounded by a

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 ...

and

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. ...

wall A wall is a structure and a surface that defines an area; carries a load; provides security, shelter, or soundproofing; or, is decorative. There are many kinds of walls, including: * Walls in buildings that form a fundamental part of the s ...

, which was first built during the Daxi culture. The remains of human sacrifices were discovered under the foundation of the wall. The remains of a gravel road, a river bridge and a river-control gate were also discovered at Chengtoushan. It is possibly one of the oldest walled sites in China, with the walls and moat built around 4000 BC, where it existed for two millennia. The earliest known examples of fired

bricks A brick is a type of block used to build walls, pavements and other elements in masonry construction. Properly, the term ''brick'' denotes a block composed of dried clay, but is now also used informally to denote other chemically cured cons ...

were discovered at Chengtoushan, dating to around 4400 BC. These bricks were made of red clay, which was obtained by digging into the

loess Loess (, ; from german: Löss ) is a clastic, predominantly silt-sized sediment that is formed by the accumulation of wind-blown dust. Ten percent of Earth's land area is covered by loess or similar deposits. Loess is a periglacial or aeoli ...

strata. They were fired on all sides to above 600 °C, and used as flooring for houses. By the Qujialing period (3300 BC), fired bricks were being used to pave roads and as building foundations at Chengtoushan.

Notes

References

* Allan, Sarah (ed.), ''The Formation of Chinese Civilization: An Archaeological Perspective'', * Higham, Charles, ''The Bronze Age of Southeast Asia'', * Stark, Miriam T. (ed.), ''Archaeology of Asia'', 2006, {{DEFAULTSORT:Chengtoushan Li County, Hunan National archaeological parks of China Former populated places in China Major National Historical and Cultural Sites in Hunan 1979 archaeological discoveries