Karst landscapes are unique geological formations created by the dissolution of soluble rocks, such as limestone, gypsum, or salt. This process leads to features like sinkholes, caves, and underground rivers. The water erodes the rock over time, resulting in a rugged terrain characterized by steep cliffs and deep valleys. These landscapes are often rich in biodiversity and can support various ecosystems. They are found in many parts of the world, including regions like China, Croatia, and the United States. Karst areas are important for water supply, as they can store and filter groundwater effectively.