"勇往直前：马克·麦克莫里斯"勇者行动2

　　Canada’s Mark McMorris has defied the odds since he began his snowboarding career in 2009. Filmmaker, and childhood friend, Adam Burwell follows Mark every step of the way as he competes with the world’s best in Big Air and Slopestyle earning his spot on the Canadian Olympic team. Then on March 25, 2017, everything changes. With the competition season over, Mark explores the W... (展开全部)