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The Jinping-II Dam hydroelectric power project involved excavating a number of large tunnels under the Jinping Mountains: four large 16.7 km (10.4 mi) headrace tunnels carrying water east, [8]: 30 two 17.5 km (10.9 mi) vehicular access tunnels, [9]: 1 and one water drainage tunnel.
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 Jinping-II Dam (simplified Chinese: 锦屏二级水电站; traditional Chinese: 錦屏二級水電站; pinyin: Jǐnpíng Èrjí Shuǐdiàn Zhàn), also known as the Jinping-II Hydropower Station, is a gravity dam on the Jinping Bend of the Yalong River (Yalong Jiang) in Sichuan, China. Construction on the project began in 2007 and it was ...
A tunnel constructed high in the mountains of its ... phenomenon in China, where leader Xi Jinping has overseen an assertive foreign policy – though both sides have appeared to take steps to ...
On orders of Mao Zedong, food and supplies started being stockpiled, and complex systems of shelters and tunnels started to be built in cities all over China. These shelter complexes grew so large that became known as "subterranean cities" (地下城 pinyin: dìxià chéng ) and the "underground Great Wall" (地下长城 pinyin: dìxià ...
Cross-Harbour Tunnel (underwater) (road) Eagle's Nest Tunnel (cross-mountain) (road) Eastern Harbour Crossing / Tseung Kwan O line (road and metro) Kai Tak Tunnel (beneath site of former Hong Kong International Airport) (road) Lion Rock Tunnel (cross-mountain) (road and water pipe) Sha Tin Heights Tunnel (cross-mountain) (road)
There are four classes of road tunnels in China by length. [1]Super-long tunnel (>3,000m) Long tunnel (1,000m-3,000m) Middle-tunnel (250m-1,000m) Short tunnel (<250m) By 2012, there are 10,022 road tunnels and 8,052.7 km in total length in mainland China, including 441 super-long tunnels with 1,984.8 km in total length and 1,944 long tunnels with 3,304.4 km in total length.
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.