Though the calendar says that 11 days remain until the first day of summer, temperatures in much of the northern hemisphere are already sweltering. Large parts of the American northeast experienced record high temperatures this week, while dry, hot weather in the American southwest and eastern Russia sparked numerous wildfires. Today's collection shows some of the ways people (and animals) have been coping with or enjoying the late spring heat. Linkous Sharp of Nashville, Tennessee, flips water out of his hair as he cools off during the opening day of the Bonnaroo Music Festival in Manchester, Tennessee, on Thursday, June 9, 2011. Surfer Tyler Hollmer Cross of Australia rides an 8-meter wave at Shipstern Bluff near Hobart in Tasmania March 17, 2011. According to local media reports, surfers were towed by jetski into one of the biggest swells seen at Shipstern Bluff, formerly known as Devil's Point, in 10 years. Picture taken on March 17, 2011. Lightning streaks across the sky while Athens-Clarke Firefighters work to extinguish a hay fire that was caused by a lightning strike, on Thursday, May 26, 2011, in Athens, Georgia, Firefighters responded to many small fires caused by downed powerlines from a severe thunderstorm.