This landslide has been active since the 1960s! Initially moving glacially slow, the ‘Pretty Rocks’ landslide in Alaska’s Denali National Park is now sliding about 0.65 inches per hour. This time-lapse tracks the landslide from September 2, 2021 to February 28, 2022. So, why is Pretty Rocks’ descent accelerating? According to the National Parks Service, Denali National Park has experienced the highest temperature increase of all U.S. parks since 1950. As temps and heavy precipitation increase ov