NOVA: Secrets of the Sky Tombs2017 · Movie · Released · 54 min · ★ 7.5DocumentaryLog in to track this movie.OverviewCastRelatedA team of scientists and explorers probe high altitude caves in the Tibetan Himalayas.▶ Watch trailerCastJay O. SandersNarrator (voice)More like this★ 7.2180° South2010★ 7.4Above Majestic2018★ 7.9John Candy: I Like Me2025★ 7.1The Class of ‘922013★ 8.0My Mom Jayne2025★ 6.5The Cheshire Murders2013★ 8.7Iron Maiden: Burning Ambition2026★ 7.8Lionel Messi: Destiny2023★ 7.0Directed by John Ford1971★ 7.4I Am Heath Ledger2017★ 6.8Unknown Number: The High School Catfish2025★ 6.5Dawg Fight2015