A welder works at the construction site of the cooperation project between China's Zhejiang Hengyi Group Co. Ltd. and the Brunei government in Pulau Muara Besar (PMB), or Great Muara Island, a tiny isolated island northeast of Bandar Seri Begawan, capital city of Brunei, Nov. 17, 2018. The island is undergoing a profound change as it develops a modern petrochemical complex. (Xinhua/Wang Shen)