Britain's Chancellor of the Exchequer Philip Hammond, right, chats with Germany's Federal Minister of Finance Wolfgang Schauble before a private lunch on the sidelines of the G20 High-level Tax Symposium held in Chengdu in Southwestern China's Sichuan province, Saturday, July 23, 2016. Finance ministers and Central Bank governors of the 20 most developed economies are to meet in the southwestern city of Chengdu ahead of a G20 leaders meeting in September hosted by China. (AP Photo/Ng Han Guan, Pool)