大山深处的“航空母舰”瑞士像一块满是洞孔的干酪，到处都是隧道。居民在地道里贮存粮食和武器，在极端保密的情况下进行军事训练，做好抵御入侵的准备。超音速战斗机眨眼间消失在阿尔卑斯山中。那里的大山已变成为巨型陆上航空母舰，战斗机通过自动开启和关闭的岩洞大门... The “aircraft carrier” deep in the mountains is like a cheese full of holes and tunnels are everywhere. Residents store food and weapons in the tunnels, conduct military training under extreme confidentiality, and prepare to resist invasion. The supersonic fighter disappeared in the Alps in the blink of an eye. The mountains there have become giant land-based aircraft carriers, and fighter jets pass through the cavernous gates that automatically open and close...