Secret Cumbria - Secrets of the deepest gypsum mine in the world - 成人快手 Sounds
Secret Cumbria - Secrets of the deepest gypsum mine in the world - 成人快手 Sounds
Secrets of the deepest gypsum mine in the world
Birkshead mine near Appleby-in-Westmorland is a 1000 ft deep under rolling farmland.