英国地下的秘密（二）——战时秘密 The Secrets of Underground Britain - WARTIME SECRETS

[视频作者] 我中意食烧鹅髀

[视频时长] 54:46

[视频类型] 人文历史

https://m.youtube.com/watch?v=CyTKhRT_JWA From Liverpool to Dover, Westminster to Woolwich there are hidden secrets beneath our feet! Underground hideouts that would hide a secret army - ready to attack if Germany landed troops during WW2 ... the wartime