Doomsday bunker complex the size of a city, back up plan for mankind

Instead of windows, LEDs are placed inside the bunkers to simulate the different views of the outside world.

source: dailymail

TAGS : the doomsday bunker complex the size of a city, back up plan for mankind, the city-sized doomsday bunker complex, house 10,000 people is being hailed as the back up plan for mankind, ifairer