Visitors look at the agricultural products from Chongming at the Shanghai Exhibition Center in east China's Shanghai, Jan. 6, 2018. An area of 50,000 mu (8,236.8 acres) of land was introduced by Chongming district government for investment during the 2018 Shanghai Chongming Agricultural Investment Promotion Conference themed on "green, innovation, win-win and development". (Xinhua/Fang Zhe)