The excavation of Tam Pa Ling cave involved digging a 23-foot (7-meter) trench from the surface of the cave to bedrock while painstakingly collecting and documenting the soils, animal bones and ...

making it the 12th deepest cave in the country. Its vertical pits, just like most caves, are formed via erosion by water over ...

In the mountainous farmland of southern China, a cave is nestled between fields of maize, wheat and potatoes. It is the only ...

The cave has a skylight on the Moon’s surface, leading down to vertical and overhanging walls, and a sloping floor that might extend further underground. It was made millions or billions of ...

With an hourlong guided tour, visitors use concrete walkways and stairs to view the Talking Rock's vertical cave formations and learn about its geology. In addition to the underground tour ...