Key project of Wenchuan-Ma'erkang expressway finished

A man works at the construction site of Keku Bridge in Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province, Nov. 3, 2018. The closure of Keku Bridge, a key project of Wenchuan-Ma'erkang expressway, was finished on Saturday. (Xinhua/Liu Kun)