Photo taken on Aug. 12, 2020 shows the lotus flowers at a national wetland park in Zhenlai County of Baicheng, northeast China's Jilin Province. (Xinhua/Zhang Nan)

Photo taken on Aug. 12, 2020 shows the lotus flowers at a national wetland park in Zhenlai County of Baicheng, northeast China's Jilin Province. (Xinhua/Zhang Nan)

Birds rest at a national wetland park in Zhenlai County of Baicheng, northeast China's Jilin Province, Aug. 12, 2020. (Xinhua/Zhang Nan)

Photo taken on Aug. 12, 2020 shows a lotus flower at a national wetland park in Zhenlai County of Baicheng, northeast China's Jilin Province. (Xinhua/Zhang Nan)

Photo taken on Aug. 12, 2020 shows a lotus flower at a national wetland park in Zhenlai County of Baicheng, northeast China's Jilin Province. (Xinhua/Zhang Nan)

Residents walk at a national wetland park in Zhenlai County of Baicheng, northeast China's Jilin Province, Aug. 12, 2020. (Xinhua/Zhang Nan)