Researchers finally drained China’s deepest sinkhole, and the discovery beneath stunned the team. Xiaozhai Tiankeng, plunging over 600 meters, had long hidden its floor from human eyes.
In early 2022, engineers conducting land surveys in Leye County, in the Guangxi region of southern China, identified a large depression in the terrain through satellite scanning. The feature was significantly larger and deeper than any documented geological formation in the area. Local residents had long referred to the site as “heaven’s mouth,” and stories told of birds disappearing when they fle…