National Geographic - Expedition Apocalypse (2010)
PDTV | 720 x 416 | .AVI/XviD @ 2041 Kbps | 44 min 58 s | 701 MB
Audio: English AC-3 128 Kbps, 2 channels | Subs: None
Genre: Documentary, Science
Without warning, a mysterious explosion devastated thousands of square miles of homes, trees and wildlife near central Siberia. No trace of its cause has been discovered. Known as the Tunguska Event, the explosion was so bright that it lit up night skies across Europe for several days. Was it caused by a deadly asteroid, comet, or even violent gases from the volcanic depths below?