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A gallery of murals, painted by Indigenous artists, are now on display at Banff National Park's Cave and Basin historic site.
U.S. President Abraham Lincoln's handwritten Gettysburg Address from 1863 is among the items on display in the exhibit, 'Collecting Memories: Treasures from the Library of Congress,' during a media preview at the Library of Congress in Washington. (Jacquelyn Martin/AP)

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Why Mount Rainier is the U.S. volcano keeping scientists up at night

The snowcapped peak of Mount Rainier, which towers 4.3 kilometres (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years. Yet, more than Hawaii’s bubbling lava fields or Yellowstone’s sprawling supervolcano, it’s Mount Rainier that has many U.S. volcanologists worried.

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