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A maintenance worker wearing a face mask walks through an empty section of spectator stands near a logo for the Beijing 2022 Winter Olympics during the Speed Skating China Open, a test event for the 2022 Winter Olympics, at the National Speed Skating Oval in Beijing, Sunday, Oct. 10, 2021. Beijing Olympic officials say two foreign athletes have tested positive for COVID-19 in ongoing test events for February's Winter Games, Officials also expressed sympathy for a Polish luge competitor who fractured his leg at the Olympics sliding center this week in a crash that has been blamed on human error. (AP Photo/Mark Schiefelbein)