Novak Djokovic of Serbia hits a return during the men's singles second round match against Tennys Sandgren of the United States at the 2018 US Open in New York, the United States, Aug. 30, 2018. Djokovic won 3-1. (Xinhua/Li Muzi)
Novak Djokovic of Serbia competes during the men's singles second round match against Tennys Sandgren of the United States at the 2018 US Open in New York, the United States, Aug. 30, 2018. Djokovic won 3-1. (Xinhua/Li Muzi)
Tennys Sandgren of the United States hits a return during the men's singles second round match against Novak Djokovic of Serbia at the 2018 US Open in New York, the United States, Aug. 30, 2018. Sandgren lost 1-3. (Xinhua/Li Muzi)
Award-winning photos show poverty reduction achievements in NE China's Jilin province
People dance to greet advent of New Year in Ameiqituo Town, Guizhou
Fire brigade in Shanghai holds group wedding
Tourists enjoy ice sculptures in Datan Town, north China
Sunset scenery of Dayan Pagoda in Xi'an
Tourists have fun at scenic spot in Nanlong Town, NW China
Harbin attracts tourists by making best use of ice in winter
In pics: FIS Alpine Ski Women's World Cup Slalom
Black-necked cranes rest at reservoir in Lhunzhub County, Lhasa
China's FAST telescope will be available to foreign scientists in April
