A delivery worker wades through water in the rain in Haikou, South China's Hainan province, on Aug 12, 2018. The heavy rain brought about by Typhoon Yagi left many parts of the city flooded. (Photo: IC)

Dark clouds paint an ominous picture in Shaoxing, East China's Zhejiang province, as Typhoon Yagi hits the city on Aug 12, 2018. (Photo: IC)

Fishing boats are docked at a harbor ahead of Typhoon Yagi in Zhoushan, East China's Zhejiang province, on Aug12, 2018. (Photo: IC)

Dark clouds paint an ominous picture in Nantong, East China's Jiangsu province, before the landing of Typhoon Yagi on the evening of Aug 12, 2018. (Photo: IC)

Heavy rain batters Shanghai, cooling off the hot weather lasting for several days and increasing the number of tourists on the bund, on Aug 12, 2018. (Photo: IC)

Heavy rain hits Shanghai as Typhoon Yagi lands on the eastern coast of the nation on Aug 12, 2018. (Photo: IC)