Inside luxury bunkers where world's richest hope to survive apocalypse

The bunkers in South Dakota are said to become some of the safest places on Earth.

Chilling footage captures detailed plans to turn hundreds of disused Army bunkers into the largest survival shelter community on Earth.

More than 5,000 people will be able to take cover at Vivos xPoint, near the Black Hills in South Dakota, US, during apocalypses and other disasters.