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Doctors conduct a surgery at Wu'an First People's Hospital in Wu'an, north China's Hebei Province, May 1, 2019, the International Labor Day. (Xinhua/Wang Xiao)
Doctors conduct a surgery at Wu'an First People's Hospital in Wu'an, north China's Hebei Province, May 1, 2019, the International Labor Day. (Xinhua/Wang Xiao)