Karst: A type of landscape formed from the dissolution of soluble rocks, such as limestone, characterized by features like sinkholes, caves, and underground rivers. Suction: The process by which ...

It contains the most significant types of karst landforms, including tower karst, pinnacle karst and cone karst formations, along with other spectacular characteristics such as natural bridges, gorges ...

In southern China's lush Guangxi Province, a hidden gem towers over the serene ... that have carved otherworldly formations into the limestone. Among the karst highlights are tiankengs (enormous ...