Amid a blistering heat wave, the number of orders for late-night snacks in major cities have climbed to more than double the usual levels. A popular online food ordering platform showed the top 10 busiest cities for the midnight snack economy: Shanghai, Hangzhou, Shenzhen, Wenzhou, Guangzhou, Beijing, Wuhan, Fuzhou, Xiamen, and Nanjing, reported 21st Century […]