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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)