
A chef prepares ingredients to make "chaopao", a kind of firecracker-shaped noodle, at a snack bar in Zhangye, northwest China's Gansu Province, May 1, 2017. (Xinhua/Chen Li)

A chef prepares ingredients to make "chaopao", a kind of firecracker-shaped noodle, at a snack bar in Zhangye, northwest China's Gansu Province, May 1, 2017. (Xinhua/Chen Li)