Giant sinkhole with a forest inside found in China
A team of cave explorers and speleologists have discovered a giant cluster of karst sinkholes in South Chin…
A team of cave explorers and speleologists have discovered a giant cluster of karst sinkholes in South Chin…
Giant "sinkholes" — one of which could devour an entire city block holding six-story buildings — ar…
Dramatic footage shows how a building collapsed in the southern Ecuadorian city of Zaruma late on Wednesday n…