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Stewardesses take a break during an etiquette and emergency response skill training for the Spring Festival travel rush in Wuhan, central China's Hubei Province, Jan. 6, 2020. (Xinhua/Xiao Yijiu)
Stewardesses take a break during an etiquette and emergency response skill training for the Spring Festival travel rush in Wuhan, central China's Hubei Province, Jan. 6, 2020. (Xinhua/Xiao Yijiu)