Constructed by Chairman Mao in 1969, a second underground Beijing, should a nuclear war kick off. Luckily nobody pushed the button, and “second city” nowadays lies in ruins.
More pictures here.
where curious minds meet
Constructed by Chairman Mao in 1969, a second underground Beijing, should a nuclear war kick off. Luckily nobody pushed the button, and “second city” nowadays lies in ruins.
More pictures here.