咸宁市, People's Republic of China
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 compl
eted or used, and is currently open to visitors as a tourist attraction. Some of the signage at the site refers to the facility as Chengshuidong Tourist Area (澄水洞旅游区).
收听语音导览: 131å°ä¸å·¥ç¨ WIP 免费提供 — 到达后自动播放,熄屏也能用