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Aerial photo taken on March 25, 2018 shows part of the 35-kilometer seaside sightseeing highway in Wanning, south China's Hainan Province. (Xinhua/Guo Cheng)
Aerial photo taken on March 25, 2018 shows part of the 35-kilometer seaside sightseeing highway in Wanning, south China's Hainan Province. (Xinhua/Guo Cheng)