noun
karst topography; karst landscape
Geographical term for terrain shaped by the dissolution of soluble rocks such as limestone, characterized by sinkholes, caves, and underground drainage.
カルスト地形は石灰岩が雨水で溶けてできる。
Karst topography is formed when limestone is dissolved by rainwater.
日本では山口県の秋
In Japan, Akiyoshidai in Yamaguchi Prefecture is a famous karst landscape.