Manage episode 303592413 series 31053
The Flannelcasters talk about the Well of Hell in Yemen, and some other notable sinkholes around the world.
Cavers discover snakes and waterfalls inside Yemen's infamous 'Well of Hell' in world-first descent
Cavers descend into Yemen's 'Well of Hell' for first time
This Hellish Desert Pit Has Been On Fire for More Than 40 Years