Firefighters arrive at the scene as flames from the Caldor fire push into South Lake Tahoe, California on August 30, 2021. - At least 650 structures have burned and thousands more are threatened as the Caldor fire moves into the resort community of South Lake Tahoe, California. Thousands of people were ordered to evacuate Monday as a huge wildfire loomed over a major US tourist spot, filling the air with choking smoke. The Caldor Fire has already torn through more than 270 square miles (700 square kilometers), razing hundreds of buildings. (Photo by JOSH EDELSON / AFP) (Photo by JOSH EDELSON/AFP via Getty Images)