A resident is seen on a road damaged by floodwaters following heavy rainfall in Gongyi city, Henan province, China July 22, 2021. cnsphoto via REUTERS

People ride on a front loader as they make their way through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

An aerial view shoes a flooded road following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

A man holding a baby wades through a flooded road following heavy rainfall in Zhengzhou,

An aerial view shows a flooded road following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

A woman carries an elderly woman as they make their way through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

People ride on a front loader as they make their way through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

A woman carrying a child and belongings wades through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

A man stands on a stranded vehicle on a flooded road following heavy rainfall in Zhengzhou, Henan province, China July 22, 2021.

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

Stranded vehicles are seen on a flooded road following heavy rainfall in Zhengzhou, Henan province, China July 22, 2021.

Rescue workers and residents ride a boat as they make their way through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

Men stand on a vehicle on a flooded road following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

Villagers standing in floodwaters wait to be evacuated following heavy rainfall at Beiguan village in Weihui of Xinxiang, Henan province, China July 23, 2021. China Daily via REUTERS

People walk on a damaged bridge after heavy rainfall flooded Gaomiao village of Gongyi in Henan province, China July 21, 2021. Picture taken July 21, 2021 with a drone. China Daily via REUTERS

A man carrying a water bottle wades through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

A man carrying water bottles and food wades through floodwaters following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

People wade through floodwaters with a makeshift raft carrying water bottles following heavy rainfall in Zhengzhou, Henan province, China July 23, 2021.

People wade through floodwaters following heavy rainfall in Zhengzhou,.TERS/Aly Song

Paramilitary police officers clear debris on a street affected by floods due to heavy rainfall in Gongyi city, Henan province, China July 21, 2021. Picture taken July 21, 2021. cnsphoto via REUTERS