600 mountain bikers descend at once down 8,500-foot snow covered course

Watch GoPro footage of 600 lunatics on bikes descending at once down the Pic Blanc Glacier , France — it ’s all part ofMegavalanche , an 18 - geographical mile endurance case , with an 8,500 - foot stemma over snow , shabu and unsteady terrain . The event has run fornearly twenty yearsand pull in adrenaline junkie in their thousands .

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