Mountain Biker Cam Zink to Attempt World-Record Back Flip at Mammoth Mountain
17. Juli 2014 16:00 ET
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Mammoth Mountain
Mammoth Lakes, Calif., July 17, 2014 (GLOBE NEWSWIRE) -- Mountain Biker Cam Zink is known for going big, but no one, Zink
included, has ever tried to go this big. On August
21st Zink will look to make...