Photo taken on July 20, 2016 shows flooded fields in Xicaoma Village of Anyang City, central China's Henan Province, July 20, 2016. As of July 21, the flood has affected 620,000 people in Anyang City. (Xinhua/Li An)

A truck runs past a flooded road in Chongyi Village of Anyang City, central China's Henan Province, July 21, 2016. As of July 21, the flood has affected 620,000 people in Anyang City. (Xinhua/Li An)

Villager Xing Huaishun clears off mud in his yard after a flood in Jiaokou Village of Majia Township of Anyang City, central China's Henan Province, July 20, 2016. As of July 21, the flood has affected 620,000 people in Anyang City. (Xinhua/Li An)

Photo taken on July 21, 2016 shows the damaged Anyang Bridge after a flood in Anyang City, central China's Henan Province. As of July 21, the flood has affected 620,000 people in Anyang City. (Xinhua/Li Bo)

Transferred villagers queue to get lunch in Hanling Township of Anyang City, central China's Henan Province, July 20, 2016. As of July 21, the flood has affected 620,000 people in Anyang City. (Xinhua/Li Bo)

Combo photo taken on July 20, 2016 shows villager Xing Huaishun clearing off mud in his yard (upper) and the interior of his house (lower) after a flood in Jiaokou Village of Majia Township of Anyang City, central China's Henan Province. As of July 21, the flood has affected 620,000 people in Anyang City. (Xinhua/Li An)