Nathan Chen won the gold medal at ISU World Figure Skating Championships

From left, Japan's Yuzuru Hanyu, Nathan Chen from the U.S. and Vincent Zhou from the U.S. display their silver, gold and bronze medals respectively during the men's free skating routine during the ISU World Figure Skating Championships at Saitama Super Arena in Saitama, north of Tokyo, Saturday, March 23, 2019.[Photo: AP]