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Watch What on Earth? Season 4 Episode 16 Online

  • 6.5/10
  • COUNTRIES: United States of America
  • Subtitles: English,Français,Deutsch

A mysterious Stonehenge-like structure in Russia might have links to the Nazis. Experts uncover clues to a mega-tsunami with the power to devastate the United States. A huge lake appears in the Sahara overnight, and its explanation could be mythical.