Nation Smoke fills the sky over Lake Tahoe as crews fight to keep Caldor Fire from closing in August 25, 2021August 25, 2021Susan Miller, USA TODAYComments Off on Smoke fills the sky over Lake Tahoe as crews fight to keep Caldor Fire from closing in Thousands of California firefighters battled Wednesday to halt the advance of a fierce blaze creeping perilously closer to iconic Lake Tahoe.