A traffic policeman wears mask while working on a crossroad in Jinan, capital of east China's Shandong Province, Nov. 16, 2015. (Xinhua/Zhang Zhilong)
RIGHT BG
A traffic policeman wears mask while working on a crossroad in Jinan, capital of east China's Shandong Province, Nov. 16, 2015. (Xinhua/Zhang Zhilong)