Photo taken on June 21, 2020 shows the sunset scenery after a rainfall in Haikou, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Photo taken on June 21, 2020 shows the sunset scenery after a rainfall in Haikou, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Photo taken on June 21, 2020 shows the sunset scenery after a rainfall in Haikou, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Photo taken on June 21, 2020 shows the sunset scenery after a rainfall in Haikou, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Photo taken on June 21, 2020 shows the sunset scenery after a rainfall in Haikou, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Photo taken on June 21, 2020 shows the sunset scenery after a rainfall in Haikou, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Photo taken on June 21, 2020 shows the sunset scenery after a rainfall in Haikou, south China's Hainan Province. (Xinhua/Pu Xiaoxu)