Freya Mayo, 15, left and her sister Evie, 13, of London, England, try out a paddle board on the clear waters of Lake Tahoe near the site of the 23rd annual Lake Tahoe Summit, at South Lake Tahoe, Calif., Tuesday, August 20, 2019. The summit is a gathering of federal, state and local leaders to discuss the restoration and sustainability of Lake Tahoe. (Photo by Rich Pedroncelli/AP Photo)
