Nana Takagi wins gold as speed skating mass start event makes Winter Olympics debut

Bart Swings (R) of Belgium competes duing men's mass start event of speed skating at the 2018 PyeongChang Winter Olympic Games at Gangneung Oval, PyeongChang, Feb. 24, 2018. Bart Swings claimed silver medal with 40 points. (Xinhua/Wang Song)