Chinese President Xi Jinping (3rd L, rear) attends the plenary session of the fourth Eastern Economic Forum (EEF), together with Russian President Vladimir Putin, Mongolian President Khaltmaa Battulga, Japanese Prime Minister Shinzo Abe and South Korean Prime Minister Lee Nak-yon, in Vladivostok in Russia's Far East, on Sept. 12, 2018. (Xinhua/Huang Jingwen)