NOVA (1974)

S44E8 Secrets of the Sky Tombs

The majestic peaks of the Himalayas are among the most remote locations where humans have made their mark. A group of intrepid researchers embarks on a challenging expedition to uncover how ancient civilizations navigated and thrived in such an inhospitable environment. Their exploration leads them to rock-hewn burial sites brimming with skeletal remains and intriguing relics, like gilded masks and ancient Chinese silk. As they delve deeper, they unravel a tapestry of unusual customs and spiritual practices aimed at appeasing the wandering souls of the deceased.