Parade of Nations: Which Countries Are (and Aren't) in the Olympics? (Pyeongchang 2018)

Korean Women's Ice Hockey team warms up before the friendly match at Seonhak International Ice Rink on February 4, 2018 in Incheon, South Korea. The friendly match is held ahead of the Olympic Games where South and North Korea competes for the first time as a unified team in a sport at the Olympic Games. (Photo by Woohae Cho/Getty Images)