Photo taken on Aug. 17, 2020 shows takeout boxes with notices that remind customers not to waste food at a restaurant in Qiaoxi District of Shijiazhuang City, north China's Hebei Province. Local authorities, in conjunction with the catering industry, in Shijiazhuang have taken measures to prevent food wastage and promote moderate consumption. (Xinhua/Wang Xiao)

Photo taken on Aug. 17, 2020 shows a notice that reminds customers not to waste food at a restaurant in Qiaoxi District of Shijiazhuang City, north China's Hebei Province. Local authorities, in conjunction with the catering industry, in Shijiazhuang have taken measures to prevent food wastage and promote moderate consumption. (Xinhua/Wang Xiao)

Photo taken on Aug. 17, 2020 shows a notice that reminds customers not to waste food at a restaurant in Qiaoxi District of Shijiazhuang City, north China's Hebei Province. Local authorities, in conjunction with the catering industry, in Shijiazhuang have taken measures to prevent food wastage and promote moderate consumption. (Xinhua/Wang Xiao)

Photo taken on Aug. 17, 2020 shows a takeout box with a notice that reminds customers not to waste food at a restaurant in Qiaoxi District of Shijiazhuang City, north China's Hebei Province. Local authorities, in conjunction with the catering industry, in Shijiazhuang have taken measures to prevent food wastage and promote moderate consumption. (Xinhua/Wang Xiao)