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Aerial photo taken on Aug. 1, 2019 shows tourists walking beside flowers on the bank of Chagan Lake in Changchun, northeast China's Jilin Province. (Xinhua/Zhang Nan)
Aerial photo taken on Aug. 1, 2019 shows tourists walking beside flowers on the bank of Chagan Lake in Changchun, northeast China's Jilin Province. (Xinhua/Zhang Nan)