Polish ski legend Justyna Kowalczyk reacts during the women's 10km event at the FIS Cross Country World Cup in Otepaa, Estonia, Feb. 19, 2017. (Xinhua/Sergei Stepanov)
Polish ski legend Justyna Kowalczyk reacts during the women's 10km event at the FIS Cross Country World Cup in Otepaa, Estonia, Feb. 19, 2017. (Xinhua/Sergei Stepanov)