Exploring 80-meter sinkhole in rocky plateau of Vietnam
By
The Quynh  October 15, 2022 | 06:47 pm PT
Two locals from the northern highlands' Ha Giang Province take tour guide Giap Van Hai down a sheer and rugged cliff to the bottom of a 80-meter-deep sinkhole.
Alluring sinkhole in middle of Dong Van Rock Plateau