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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 ...
A report written by a Georgetown University team led by Phillip Karber conducted a three-year study mapping out China's complex tunnel system, which stretches 5,000 km (3,000 miles). The report determined that the size of the Chinese nuclear arsenal is understated and as many as 3,000 nuclear warheads may be stored in the tunnel network.
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 purpose of military defense.
A military megaproject, the nuclear base is located near what is now suburban Fuling, a municipality in Chongqing, China. In 2010, it was opened to Chinese tourists. It is a distinct network of nuclear-weapons manufacturing tunnels to the likewise defunct Underground Project 131 and the still operational "Underground Great Wall of China."
This tunnel network has mainly been used for military purposes. The main construction period of these tunnels lasted from 1575 to 1825. [25] The newest sections of the tunnel network were dug as late as the middle 20th century, built in the Cold War as a shelter for citizens in the event of a nuclear strike on the city. [26]
Many have basement vaults extending under the adjacent sidewalks, not to be confused with tunnels. ... there is no documentation of individuals of Chinese heritage living or working in tunnels in ...
In August of 2022, she started her little home project off by cutting out a human-sized opening off the side of her sub-basement, then carving into the brick foundation to get started on this tunnel.
They are sloped criss-crossing tunnels which connect the midpoints of the five water tunnels (four headrace and one drainage) to the road tunnels beside and slightly above them. Totalling 210,000 m 3 (7.4 × 10 ^ 6 cu ft), [ 24 ] : 4 and originally intended to be blocked off after construction, [ 23 ] : 20 they have been donated to the ...