Events you can't miss in 2018 Winter Olympics

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Photo taken on Jan. 12, 2018 shows an inner view of Gangneung Oval of Gangneung Coastal Cluster for PyeongChang 2018 Winter Olympic Games in PyeongChang, South Korea. Gangneung Oval will hold Speed Skating events during the Games. (Xinhua/Lui Siu Wai)