National Geographic - Secrets of Shangri-La - Quest for Sacred Caves

"Documentary"

In an attempt to unravel a mystery, a team of internationally renowned climbers and explorers join forces with archaeologists, anthropologists and art historians to climb into unexplored cave complexes that humans had not entered for hundreds if not thousands of years. What they find inside will rock the Himalayan world and re-write the history of this remote and mystical region.