The Well of Barhout (also nicknamed Well of Hell) is a s...
wikipedia - 24 Sep 2021The Well of Barhout (also nicknamed Well of Hell) is a sink hole in Hadhramaut, Yemen. It is about 30 m (100 ft) wide at the surface. The cave system it leads to has little oxygen and no ventilation, and remains unexplored.[1][2] With foul odours rising from its depths, locals say it is a prison for demons.[3]