In a lava tube of southern Vietnam, a brown-eyed creature used its "bent" toes to climb across the rocky ceiling. Water dripped nearby. Suddenly a beam of light cut through the dark. Cavers scanned ...
The Narusawa Ice Cave is a natural lava tunnel that formed during a violent eruption of Mount Fuji in A.D. 864. Every winter, the cave grows giant ice pillars due to its freezing temperatures. When ...