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"Wingsuit flight videos have a way of making viewers' palms sweat. Add the danger of zipping through a narrow cave and your hands will feel like a Florida swamp.\nSEE ALSO: The 10 Most Viral YouTube Videos of 2012\n\nFearless BASE jumper Alexander Polli took off on his death-defying flight in the Roca Foradada Mountains of Montserrat, Spain. Polli reached speeds of 155 mph (250 km/h) before cruising through an opening no larger than six feet across. The terrifying experience was captured in HD on multiple cameras \u2014 including one on Polli's helmet \u2014 to create a viewing experience with maximum impact.\nGrab a towel for your hands and push play.\nBONUS: 15 Jaw-Dropping Videos Shot on a GoPro\n\n\n\n15 Incredible Videos Shot on a GoPro\n\n\n\n\n\n\n\n1. Mountain Biker Gets Wiped Out by Antelope\nWaaaiiit for it ... ouch.\n\n\n\n\n\n\n\n\n\n\n2. Seagull's Camera Caper Caught on Film\nSeagulls will really eat -- or attempt to eat -- anything.\n\n\n\n\n\n\n\n\n\n\n3. Pogo Stick Goes Up and Down, Up and Down\nWhy bother riding a pogo stick when you can just watch this video?\n\n\n\n\n\n\n\n\n\n\n4. Grinding The Crack With Jeb Corliss\nSweaty palms and heart palpitations guaranteed while watching this flying wingsuit man.\n\n\n\n\n\n\n\n\n\n\n5. Shark Riders \nAn underwater adventure that feels like something out of a dream.\n\n\n\n\n\n\n\n\n\n\n6. Nearing the Edge of Space\nFloating up 80,000ft is not for the faint of heart -- or heights.\n\n\n\n\n\n\n\n\n\n\n7. Doggy Cam\nPuppy wants a camera?\n\n\n\n\n\n\n\n\n\n\n8. Camera Survives 12,500 Freefall\nSkydiving camera forgets its parachute.\n\n\n\n\n\n\n\n\n\n\n9. Tarantula Feeding Time\nNot recommended for anyone with arachnophobia. Or anyone with eyes really.\n\n\n\n\n\n\n\n\n\n\n10. A Nauseating Spin in an F18\nThis is your 'Top Gun' moment, people.\n\n\n\n\n\n\n\n\n\n\n11. Shark Bite\nMmmm...camera.\n\n\n\n\n\n\n\n\n\n\n12. Black Diamond Jet Team\nAir show ride along.\n\n\n\n\n\n\n\n\n\n\n13. Monkey Nibbles\nBaby monkey wants a snack.\n\n\n\n\n\n\n\n\n\n\n14. Catching Waves\nSurf's up, dudes.\n\n\n\n\n\n\n\n\n\n\n15. A Skateboard's Perspective\nHopping curbs, going for a ride along.\n\n\n\n\n\n\n\n\n\n\nCool Bonus: The Art of Full Sail Sharpie\nFull Sail University armed with Sharpies create a big old banner.\n\n\n\n\n\n\n\n\nHomepage image courtesy of Flickr, picturecorrect"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/04/17/wingsuit-cave-flight/>