epa07678884 South Korean President Moon Jae-in (R) is welcomed by Japanese Prime Minister Shinzo Abe (L) upon his arrival for a welcome ceremony on the first day of the G20 summit in Osaka, Japan, 28 June 2019. It is the first time Japan hosts a G20 summit. The summit gathers leaders from 19 countries and the European Union to discuss topics such as global economy, trade and investment, innovation and employment. EPA-EFE/KIM KYUNG HOON / POOL