2 articles
Vang Vieng karst
The Vang Vieng karst is a field of Permian limestone tower karst around the town of Vang Vieng in Vientiane Province, Laos, covering about 155 km².
Waitomo karst region
The Waitomo karst region is a limestone landscape in the King Country of New Zealand's North Island, dissolved by rainfall into sinkholes, caves, and underground drainage.