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Dean Potter was a star of the extreme sports world. He passed away after an accident while attempting to fly with a wingsuit at Yosemite. His body, along with that of Graham Hunt, was found on Sunday May 17. Beat Kammerlander/Barcroft USA/Getty Images
BASE jumpers practice their sport from fixed points like skyscrapers, mountains or bridges. BASE stands for building, antenna, span and Earth. Mohd Rasfan/Getty Images
BASE jumpers use some of the most iconic buildings in the world for their leaps, as well as more natural points of flight such as cliffs and mountains. Mohd Rasfan/Getty Images
Extreme sports such as BASE jumping allow those taking part to experience a rush of adrenaline like any other, according to those brave enough to try. Mohd Rafsan/Getty Images
BASE jumpers leap from lower heights than skydivers, which gives a more powerful adrenaline rush. They activate their parachute in a bid to ensure a safe landing. Patrick Pleul/AFP/Getty Images
Here five Norwegians freefall from what was Thailand's tallest building in 2000. Pornchai Kittwongsakula/AFP/Getty Images
World-renowned BASE jumper Felix Baumgartner became the first skydiver to go faster than the speed of sound, reaching a maximum velocity of 1,342 kph. His jump from 128,100 feet (39 km) above New Mexico, smashed the record for the highest ever freefall. Red Bull via Getty Image
