Visitors step from the bright riverfront into a dark passage lined with glowing photographs of caves, as a low electronic pulse seems to breathe through the walls ... When the cave closes, its fabric will be reused or recycled.
Above her head, adorning the low roof of the cave, were spectacular images of bison painted in red and black ... The cave helped overturn the belief that prehistoric people lacked creativity or cultural sophistication.
Deep in the jungles of central Vietnam, hidden behind dense forest and roaring underground rivers, lies a cave so enormous that a Boeing 747 could fly through its largest chamber without touching a wall.