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  2. Underground City (Beijing) - Wikipedia

    en.wikipedia.org/wiki/Underground_City_(Beijing)

    Entrance of the Underground City at Xidamochang Jie. The Underground City (Chinese: 地下城; pinyin: Dìxià Chéng; Wade–Giles: Ti 4-hsia 4 Chʻêng 2) is a Cold War era bomb shelter consisting of a network of tunnels located beneath Beijing, China. It has also been referred to as the Underground Great Wall since it was built for the ...

  3. Underground city - Wikipedia

    en.wikipedia.org/wiki/Underground_city

    Crystal City in Arlington County, Virginia, an underground city. An underground city is a series of linked subterranean spaces that may provide a defensive refuge; a place for living, working or shopping; a transit system; mausolea; wine or storage cellars; cisterns or drainage channels; or several of these. Underground cities may be currently ...

  4. Underground Project 131 - Wikipedia

    en.wikipedia.org/wiki/Underground_Project_131

    Underground Project 131 (Chinese: "131"地下工程; pinyin: "131" Dìxià gōngchéng) is a system of tunnels in Hubei province constructed in the late 1960s and the early 1970s to accommodate the Chinese People's Liberation Army command headquarters in case of a nuclear war. The facility was never fully completed or used, and is currently ...

  5. Shicheng, Zhejiang - Wikipedia

    en.wikipedia.org/wiki/Shicheng,_Zhejiang

    Map of Sui'an County in 1930 Map of Shicheng redrawn according to Gazetteer of Sui'an County in 1930. Shicheng (Chinese: 狮城; pinyin: Shī Chéng; lit. 'Lion City') is an ancient underwater city situated under Qiandao Lake in Chun'an County, Hangzhou, Zhejiang Province, China, and was previously the county seat of the defunct Sui'an County (Chinese: 遂安县).

  6. Underground Great Wall of China - Wikipedia

    en.wikipedia.org/.../Underground_Great_Wall_of_China

    The Underground Great Wall of China (Chinese: 地下长城; pinyin: Dìxià Chángchéng) is the informal name for the 3,000 mile (5,000km) system of tunnels used by China to store and transport intercontinental ballistic missiles (ICBMs). [1] [2]

  7. Category : Nuclear bunkers in the People's Republic of China

    en.wikipedia.org/wiki/Category:Nuclear_bunkers_in...

    Pages in category "Nuclear bunkers in the People's Republic of China" ... Underground City (Beijing) Underground Project 131 ... Wikipedia® is a registered trademark ...

  8. Yaodong - Wikipedia

    en.wikipedia.org/wiki/Yaodong

    The first yaodongs were underground dwellings that date back to the 2nd millennium BC, China's Bronze Age, and according to Chinese tradition, the Xia dynasty.Chinese scholars generally believe that this type of habitat was developed mainly from the Han dynasty (206 BC to 220 AD) on, along with a progressive improvement of construction techniques during the Sui (581 to 618) and Tang (618 to ...

  9. Beijing underground cross-city railway - Wikipedia

    en.wikipedia.org/wiki/Beijing_underground_cross...

    The Beijing underground cross-city railway is a short railway connection in Beijing.This railway line includes the Qiansanmen Tunnel.The speed limit is 120 km/h. [1] It connects the important transportation hubs Beijing railway station and Beijing West railway station via a tunnel.