By Alex Prewitt The 17-year-old skier was adopted and raised in Colorado, but her sport brought her back to the country where she was born. ZHANGJIAKOU, HEBEI, China — Fifteen years or so ago, hundreds of miles south of this wind-whipped ski town, Amy and Jonathan Owens walked into a hotel conference room to meet their new daughter. Then 14 months old, the girl was asleep in the arms of her orphanage’s nanny when the American couple arrived, and upon waking she began to cry at the sight of the strangers there to adopt her. “She calmed down pretty quickly,” Amy says. “We were fortunate in that …