The cave was finally opened with great reluctance in 2005-2006 for western kayakers.
Since then, French and North American teams are operating in the area.
The largest passage widths, the teams discovered, were 200 meters.
The cave passage is between 4 to 12 meters deep.
Sources:Tham Khoun Xe (caves.org)(PDF) viaWondermondo.
Photo credit: John Spies viaThe Daily Mail
