Palestinian children wade through floodwater after a winter storm in Jabalia refugee camp in the northern Gaza Strip, Jan. 5, 2020. Photo:Xinhua

Palestinian children play on a flooded street after a winter storm in Jabalia refugee camp in the northern Gaza Strip, Jan. 5, 2020. Photo:Xinhua

A car moves through floodwater after a winter storm in Jabalia refugee camp in the northern Gaza Strip, Jan. 5, 2020. Photo:Xinhua

A Palestinian man reacts as he stands outside his house in a flooded area after a winter storm in Jabalia refugee camp in the northern Gaza Strip, Jan. 5, 2020. Photo:Xinhua

Palestinian children play on a flooded street after a winter storm in Jabalia refugee camp in the northern Gaza Strip, Jan. 5, 2020. Photo:Xinhua

A cart moves through floodwater after a winter storm in Jabalia refugee camp in the northern Gaza Strip, Jan. 5, 2020. Photo:Xinhua

Palestinian children wade through floodwater after a winter storm in Jabalia refugee camp in the northern Gaza Strip, Jan. 5, 2020. Photo:Xinhua