On the same day, the Shanghai center meteorological observatory issued the third high temperature red warning signal this year, with the maximum temperature exceeding 40 degrees Celsius. (on July 14, the spray device was used in Yu Garden mall in Shanghai to prevent heatstroke.) (on July 14, people took a group photo on the Bund of Shanghai.) (on July 14, at a nucleic acid sampling point in Xuhui District, Shanghai, ice blocks were placed under the feet of nucleic acid testers for cooling.) (on July 14, in Huabao garden, Qibao town, Minhang District, Shanghai, Mr. Ding, a resident volunteer in the community, wore a cooling vest and informed the residents to go downstairs for nucleic acid sampling.) (on July 14, in a residential area in Putuo District, Shanghai, nucleic acid testers cooled down with ice.) (Xinhua News Agency)