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What on Earth?: Season 3

3x17 Grand Canyon of the Arctic
TV-PG

  • 2017-03-15T04:00:00+02:00 on Science Channel
  • 45 mins
  • United States
  • English
  • Documentary

New evidence reveals a massive Arctic canyon buried beneath the ice; a mysterious island suddenly appears off the coast of the highly sensitive border between Iran and Pakistan; a plane is spotted on Google Earth at the bottom of a lake in Minnesota.

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