Giant Sinkhole in China Reveals Ancient Hidden "World"

Giant Sinkhole in China Reveals Ancient Hidden "World"

Xiaozhai Tiankeng, a giant sinkhole in Chongqing, China. Credit: Brookqi / Public Domain A giant sinkhole in Leye County, Guangxi province, South China, is astonishing scientists with its hidden wonders. Known as a “tiankeng,” or “Heavenly Pit,” the sinkhole measures 630 feet deep, 1,000 feet long, and 492 feet wide, sheltering an untouched, remarkable forest at its bottom. Trees soar 131 feet toward the sunlight, creating a hidden world beneath…