Sơn Đoòng Cave

Sơn Đoòng Cave, located in Vietnam, is the world's largest natural underground cave, measuring over 5 kilometers long, 200 meters wide, and 150 meters high. Discovered in 1991 and made accessible to tourists in recent years, it features a lush, jungle-filled interior, a river running through it, and an atmosphere similar to a floating island. Its massive size allows for its own climate and ecosystem, including rare species. Sơn Đoòng is a remarkable natural wonder, showcasing extraordinary geological formations like stalactites and stalagmites, and highlights the incredible scale and diversity of Earth's natural landscapes.