MAMMOTH CAVE, Ky. — During a late January tour of Mammoth Cave, the guide clapped his hands, and the already dim lights went out. He had brought our group to a stop in a flat area – like a small plaza ...

Eighty-three years after a devastating flood in the Chosei coal mine in southern Japan claimed the lives of 183 miners, a lone cave diver is ... Engrave the Flooding Disaster of Chosei Coal ...