The British snowboarder Billy Morgan on his way to landing a Backside 1800 Quadruple Cork. Before this week, the trick was a subject of debate — including the question of whether it could be performed. Red Bull hide caption

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Jamie Anderson of the United States, center, celebrates with silver medalist Enni Rukajarvi of Finland, left, and bronze medalist Jenny Jones of Britain, after Anderson won the women's snowboard slopestyle final at the 2014 Winter Olympics, on Sunday. Sergei Grits/AP hide caption

itoggle caption Sergei Grits/AP