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Ancient Caves [Plays March 6, 2020 to April 21, 2021 at the William L. McKnight 3M Omnitheater at the Science Museum of Minnesota's Omni Theater; for more information, log on to smm.org or call 651/221-9444.] Bryan Cranston narrates Jonathan Bird's striking, eye-opening, educational, information-rich, 40-minute IMAX documentary dominated by amazing cinematography that follows Minnesota-based paleoclimatologist Dr. Gina Moseley as she is joined by scientists Dr. Larry Edwards and Dr. Keith Tinker and technical cave diver Brian Kakuk and his team to study the correlation between the increase of CO2 in the environment and the rise in sea levels and their effect on climate change by dissecting stalagmites and stalactites (sediment layers are similar to tree rings) gathered in ancient caves in the Mexican Yucatan Peninsula, Iceland, the limestone mountains in the French Alps, Devil's Hole in Nevada's Death Valley National Park, the Spring Valley Mystery Cave in Minnesota, and the Crystal Caves of Abaco in the Bahamas.   Redhead: Year: 2021 Rating:  NR View Ancient Caves on the Internet Movie Database