The walls were painted a crisp white and new wood flooring was installed throughout the main living area. Surprisingly bright and airy for a subterranean space, creature comforts were added, such as a cosy L-shaped sofa.

He also added a gleaming contemporary kitchen. Because of the unconventional, circular proportions of the room, kitchen walls were framed to provide a flat surface for the kitchen cabinetry installation.

Flair uses the space as a 'man cave' of sorts, for hanging out with his friends. In fact, following the renovation, Flair and his pals hunkered down together in the bunker for 24 hours, documenting their stay on his YouTube channel.

This YouTuber renovated an abandoned Cold War missile silo for ‘doomsday’