A woman carries an elderly woman as they make their way through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021. (Photo by Aly Song/Reuters)





A villager looks on from a flooded house following heavy rainfall at Beiguan village in Weihui of Xinxiang, Henan province, China on July 23, 2021. (Photo by China Daily via Reuters)





Cars sit in floodwaters following heavy rains, in Zhengzhou in China's central Henan province on July 22, 2021. (Photo by Noel Celis/AFP Photo)





People wade through floodwaters with a makeshift raft carrying water bottles following heavy rainfall in Zhengzhou, Henan province, China on July 23, 2021. (Photo by Aly Song/Reuters)





In this Wednesday, July 21, 2021 photo released on July 23, 2021 by China's Xinhua News Agency, Chinese President Xi Jinping waves as he arrives at the airport in Nyingchi in western China's Tibet Autonomous Region. Chinese leader Xi Jinping has made a rare visit to Tibet as authorities tighten controls over the Himalayan region's traditional Buddhist culture, accompanied by an accelerated drive for economic development. (Photo by Li Xueren/Xinhua via AP Photo)





Rescuers watch as water is pumped from a road tunnel feared to be filled with vehicles caught in floodwaters in Zhengzhou in central China's Henan Province, Friday, July 23, 2021. The death toll from catastrophic flooding in the central Chinese city of Zhengzhou has continued to rise, state media reported Friday. The official China Daily newspaper and other media said the number included just Zhengzhou, the capital of Henan province. Other areas of the province have also faced heavy downpours, and rivers and reservoirs burst their banks. (Photo by Chinatopix via AP Photo)





This aerial photo taken on July 22, 2021 shows containers stacked at Lianyungang port, in China's eastern Jiangsu province. (Photo by AFP Photo/China Stringer Network)





A woman moves a sandbag along a flooded road in the aftermath of the heaviest recorded rainfall in Zhengzhou in central China's Henan province on Saturday, July 24, 2021. Rescuers used bulldozers and rubber boats to move residents out of flooded neighborhoods in central China on Saturday after torrential rains killed at least 56 people. (Photo by Dake Kang/AP Photo)





An airliner staff wearing a face mask to help curb the spread of the coronavirus stands near quiet check-in counters at Pudong International Airport in Shanghai, China, Sunday, July 25, 2021. Airline flights were canceled in eastern China and cargo ships were ordered out of the area Saturday as Typhoon In-fa churned toward the mainland after dumping rain on Taiwan. (Photo by Andy Wong/AP Photo)





Supplies are stockpiled at the Pingyuan stadium in the flood affected city of Xinxiang in central China's Henan province on Sunday, July 25, 2021. Trucks carrying water and food on Sunday streamed into the Chinese city at the center of flooding that killed over 50 people, while soldiers laid sandbags to fill gaps in river dikes that left neighborhoods under water. (Photo by Dake Kang/AP Photo)





A municipal worker clears a blockage in a roadside drain as Typhoon In-fa sweeps through Shanghai in China Sunday, July 25, 2021. Typhoon In-fa hit China's east coast south of Shanghai on Sunday after people living near the sea were evacuated, airline flights and trains were canceled and the public was ordered to stay indoors. (Photo by Chen Si/AP Photo)





A woman carrying an umbrella braces against the wind and rain as Typhoon In-fa sweeps through Shanghai in China Sunday, July 25, 2021. (Photo by Chen Si/AP Photo)





Security guards watch as a vehicle for the epidemic control center pulls up to the entrance into the Tianjin Binhai No. 1 Hotel where U.S. and Chinese officials are expected to hold talks in Tianjin municipality in China Monday, July 26, 2021. America's No. 2 diplomat has arrived in China to discuss the fraught relationship between the two countries on Monday with two top Foreign Ministry officials. (Photo by Ng Han Guan/AP Photo)





Paramilitary soldiers transport sandbags to seal a section of the embankment along Wei river that had burst and flooded homes, following heavy rainfall in Xinxiang, Henan province, China on July 24, 2021. (Photo by China Daily via Reuters)





Pig farmer Cheng, 47, wades through floodwaters past pig carcasses next to a farmland following heavy rainfall in Wangfan village of Xinxiang, Henan province, China on July 25, 2021. (Photo by Aly Song/Reuters)





Villagers wade through floodwaters following heavy rainfall at a village in Xinxiang , Henan province, China on July 24, 2021. (Photo by Aly Song/Reuters)





Pig farmer Cheng, 47, wades through floodwaters with a pig carcass following heavy rainfall in Wangfan village of Xinxiang, Henan province, China on July 25, 2021. (Photo by Aly Song/Reuters)





Villager Mai Yu, 56, cries as she asks rescue workers to help her family while standing in floodwaters following heavy rainfall at a village in Xinxiang, Henan province, China on July 24, 2021. (Photo by Aly Song/Reuters)





In this photo released by China's Xinhua News Agency, temporary laboratories for nucleic acid testing are seen in a sports stadium in Nanjing in eastern China's Jiangsu Province, Tuesday, July 27, 2021. Drivers seeking to leave eastern China's Jiangsu province will have to show a negative COVID-19 test taken in the last 48 hours or be forced to turn around, as cases in the province continue to rise. (Photo by Li Bo/Xinhua via AP Photo)





Rescuers use boats to evacuate people from a flooded area in Weihui in central China's Henan Province, Monday, July 26, 2021. Residents laid flowers on Tuesday at the entrance of a subway station where more than a dozen people died after a record-breaking downpour flooded large swaths of Henan province in central China. (Photo by Chinatopix via AP Photo)