Tag: tiankeng

Giant sinkholes – Lush vegetation thriving deep within the Luoquanyan karst sinkhole in Hubei Province, China, forming a hidden underground forest.

Unveiling the Mystery of Giant Sinkholes: Ancient Forests Hidden in China’s Heavenly Pits

Journey into the depths of China's giant sinkholes, where time stands still in ancient forests untouched by human hands.

Physical Geography