Cadomin Cave is Alberta’s largest known bat hibernaculum. The cave, among the largest in the Canadian Rockies, is a critical ...

R. R. Tolkien's Lord of the Rings, this is it. I finally fell upon the idea of lighting the cave from the inside. If light were coming from the back of the cave it would suggest the experience of ...

So I lay back, turned out my light ... It was called Deer Cave, or Gua Rusa, and its entrance was so enormous—nearly 500 feet high—that the sun reached deep inside and fresh air followed ...

The ritual complex inside the cave was surrounded by stalagmites, which gave the entrance a unique look ... that fire was used in the cave to light up the ritual area. Acoustic tests of the ...