The Xiaozhai Tiankeng (小寨天坑), also known as the Heavenly Pit, is the world's deepest sinkhole [read more: bit.ly/2BuzEia] pic.twitter.com/fsUrQaEIqx

The Xiaozhai Tiankeng (小寨天坑), also known as the Heavenly Pit, is the world's deepest sinkhole bit.ly/2BuzEia pic.twitter.com/sRbwfwRV5o

The Xiaozhai Tiankeng (小寨天坑), also known as the Heavenly Pit, is the world's deepest sinkhole bit.ly/2BuzEia pic.twitter.com/cZnhYlhcWw