The Xiaozhai Tiankeng, also known as the Heavenly Pit, is an awe-inspiring natural wonder located in the Guangxi Zhuang Autonomous Region of China. This geological formation is considered the world's deepest sinkhole, reaching an astonishing depth of 662 meters (2,172 feet) and a diameter of 626 meters (2,054 feet). The Xiaozhai Tiankeng is a testament to the power of nature … [Read more...] about The Xiaozhai Tiankeng: Exploring the World’s Deepest Sinkhole