African female train attendants undergo etiquette training under the guidance of manager Huang Xiaoli outside a train station in Kenya's capital Nairobi on May 16, 2017. (Photo/Xinhua)
In pics: amazing scenery in Lanping County, SW China's Yunnan
Picturesque scenery of Hulunbeir Prairie in N China
Tourists visit lily garden in SW China's Guizhou
People experience drifting in north China's Hebei
Cheongsam lovers give performance in east China
Artworks created by graduates exhibited in Nanjing
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