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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 whole complex consists of 13 levels, 18 artificial caves linked to each other, and has more than 80 roads and 130 tunnels. [3] Automobiles are able to pass the roads and tunnels inside. [ 3 ] The base has the “World's Largest Artificial Cave ”, [ 1 ] which has a height of 79.6 meters, roughly equal to that of a 20-floor building.
Congestion in the Cross-Harbour Tunnel. The new toll scheme for Hong Kong's cross-harbour tunnel, also known as the "three-tunnel diversion," is a plan proposed by Hong Kong Chief Executive Carrie Lam in the 2018 Hong Kong Chief Executive's Policy Address to divert traffic from the Cross Harbour Tunnel, Eastern Harbour Crossing and Western Harbour Crossing.
A woman on TikTok has gained notoriety for an unusual home improvement project: digging a tunnel that is 30 feet long and 20 feet deep under her suburban home in the Northeast.
The project is not considered viable due to the staggering costs, unsolved technical problems, and foremost a lack of interest from the Taiwanese [1].At nearly 150 metres (0.093 mi) m undersea, the proposed tunnel would be 6.4 times longer than the existing Seikan Tunnel (23.3 km or 14.5 mi), nearly 4 times longer than the Channel Tunnel (37.9 km or 23.5 mi) (the current longest underwater ...
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.
A new analysis shows that building a California water tunnel would cost $20 billion. State officials say the project's benefits would far outweigh the costs.