Karst limestone formations flank the entrance to the Cabayugan River, which flows through a cave and into the sea ... the largest marine sanctuary in the Philippines, the Bacuit Bay’s 45 jungle ...
NAGO, Okinawa Prefecture--A treasure trove of rare limestone structures has been found in a small cave system on Nagashima, an islet off the Henoko district of this southern city, a group of ...
UENO, Gunma Prefecture--The Fujido limestone cave, which burrows for around 2.2 kilometers and is one of the largest in the Kanto region, has reopened featuring alternating LED lighting.