"Stop. Prevent your death!" You'd think a warning sign like that, especially one featuring a skeleton cloaked as the Grim Reaper, would deter divers. From above, the water looks stagnant and ...

Karst groundwaters are vital resources, providing drinking water to nearly 10% of the world’s population. However, human activities and global change have deteriorated the karst water quality and ...

A team of experts from Kim Il Sung University, Kim Chaek University of Technology, the National Authority for the Protection ...

Things are changing—some quickly and some with glacial slowness—at Crossroads at Big Creek, and this week our programs will reflect on some of ...

Nina Kutina, 40, and her two young children, Preya, six, and Ama, four, were found on July 11 living in a secluded cave in ...

Ajanta Caves includes all the elements necessary to express its Outstanding Universal Value, including the ensemble of these caves in its natural setting, sculptures, paintings, and epigraphs.

Jeju Volcanic Island and Lava Tubes together comprise three sites that make up 18,846 ha. It includes Geomunoreum, regarded as the finest lava tube system of caves anywhere, with its multicoloured ...