return icon Vietnamnet.vn
  • © Copyright of Vietnamnet Global.
  • Tel: 024 3772 7988 Fax: (024) 37722734
  • Email: evnn@vietnamnet.vn
Download app Send to editor
download app

cave exploration

Update news cave exploration

Massive 120-meter-deep sinkhole discovered in Phong Nha-Ke Bang
Vietnamnet global

Massive 120-meter-deep sinkhole discovered in Phong Nha-Ke Bang

Explorers have surveyed a giant sinkhole in Vietnam's Phong Nha-Ke Bang National Park, revealing a 120-meter-deep cavity with a floor stretching 250 meters, ancient trees and unusual geological formations.