Tower karst are tall rock structures made up of soluble rock such as limestone. Tower karst forms as near-vertical joints and fractures are eroded downward by solution leaving parts of a previously coherent rock mass isolated from each other.[1] Tower karst is most common in tropical regions,[1] although it may form in other climates as well.[2]
Examples include Khao Phing Kan, also known as James Bond Island, in Thailand, and Cat Ba Island in Vietnam.[3]
Original source: https://en.wikipedia.org/wiki/Tower karst.
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