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Aaron Blunck of the United States competes during the men's freeski halfpipe final at the 2019-2020 FIS Fresski World Cup in Chongli, north China's Hebei Province, on Dec. 21, 2019. (Xinhua/Wang Xiao)

Aaron Blunck of the United States competes during the men's freeski halfpipe final at the 2019-2020 FIS Fresski World Cup in Chongli, north China's Hebei Province, on Dec. 21, 2019. (Xinhua/Wang Xiao)