The group was invited to descend right into a waterlogged pit within the Son Doong collapse central Vietnam that has by no means been explored and is believed to connect with close by chambers.
They had been compelled again at 77 meters (252 ft) as a result of they didn’t have sufficient oxygen to push additional, however they assume the tunnels might be 120 meters deep.
If the tunnel connects to a different cave, it could make Son Doong “simply the most important cave on the planet and it could by no means be overtaken,” British cave skilled Howard Limbert, who helped organise the dive, stated Tuesday at a press convention asserting the discover.
The three divers — Rick Stanton, Jason Mallinson and Chris Jewell — had been a part of the daring rescue to avoid wasting 12 Thai footballers and their coach who had been trapped in a cave for eighteen days final yr.
Stanton — who discovered the boys on a ledge — stated the painstaking activity of safely main the group out of the tunnel alive helped to arrange for the mission in Vietnam.
“Our planning and preparation is with out parallel,” he stated.
The group plans to return to Vietnam subsequent yr to attempt to hyperlink the tunnel to a different cave close to Son Doong, which is so massive that it has its personal ecosystem and climate patterns.
The collapse central Quang Binh province was first discovered by an area forager in 1991, however was not re-discovered for an additional 19 years as a result of its entrance was hidden by thick surrounding jungle.
Solely 30 % of Vietnam’s Phong Nha nationwide park — the place Son Doong and a community of adjoining caves are situated — has to this point been explored.
Son Doong is the world’s largest cave by quantity, large enough to accommodate a NY city block — together with 40-storey skyscrapers — based on Oxalis, which runs excursions into the caves.
Proposed plans to construct a cable automotive within the space have sparked anger among the many Vietnamese public who concern it’ll hurt the world’s wildlife and pristine views.
An official stated Tuesday there have been no plans to maneuver forward with the venture regardless of provides from a number of corporations.
“That’s solely in principle, in reality, to construct a cable automotive there isn’t any such venture but,” the vice chairman of Quang Binh province Tran Thien Dung stated Tuesday.
Vietnam’s tourism trade is booming amongst home and overseas travellers alike, however the communist nation has come below hearth for failing to protect landscapes because it quickly expands the sector.