Breathtaking images capture river of fog filling the Grand Canyon in weather phenomenon that happens just once every DECADE

  • Friday morning, the gorges of the Grand Canyon were filled with fog in a rare temperature inversion
  • A temperature inversion happens when hot air high up acts as a seal to keep cold air pollution and fog trapped below
  • While inversions happen once or twice a year at the Grand Canyon, a full inversion is more unusual, happening closer to every 10 years
  • Daily Mail

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