Canadian Prime Minister Justin Trudeau and Alibaba's chairman Jack Ma watch seafood from Canada at the headquarter of Alibaba in Hangzhou, capital of east China's Zhejiang Province, Sept. 3, 2016. On Saturday, an official Tmall online shop for Canadian specialities was launched at Alibaba's Tmall, one of the most popular online shopping platform in China. (Xinhua/Jin Liangkuai)