Have you ever been in the subway systems built in

来源: -worldance- 于 2018-09-04 14:24:18 [档案] [旧帖] [给我悄悄话] 阅读数 : (345 bytes)

本帖于 2018-09-04 15:10:11 时间, 由普通用户 -worldance- 编辑

回答: [ZT英文]在20世纪60年代，美国计划将俄罗斯和中国重新打回石器时代：由 thrawn 于 2018-09-04 10:47:16

Soviet time in former USSR countires? Normally go as deep as 7-8 miles under ground. When i was in it, my immediate thought was that this was built for nuke wars.

https://www.inverse.com/article/28114-moscow-metro-map-runs-deep

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• 好像中国也有这个打算过不然挖什么3000公里的隧道？ -thrawn- ♂ (0 bytes) () 09/04/2018 postreply 18:15:55

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