"U.S. skier Lindsey Vonn suffered from a ""complex knee injury"" and was airlifted to a hospital after a crash during the super-G at the Alpine Ski World Championships in Austria on Tuesday. She will be out for the remainder of the season. Vonn, 28, won the downhill gold in the 2010 Olympics in Vancouver and is a four-time overall Alpine Ski World Cup champion. Here's a look at her rise to a household name for winter sports fans."
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