
South Korean President Moon Jae-in, Russian President Vladimir Putin, Mongolian President Khaltmaa Battulga, Japanese Prime Minister Shinzo Abe (2nd L-R) attend the plenary session of the third Eastern Economic Forum in Vladivostok, Russia, on Sept. 7, 2017. (Xinhua/Wu Zhuang)

Japanese Prime Minister Shinzo Abe (L) speaks on the plenary session of the third Eastern Economic Forum in Vladivostok, Russia, on Sept. 7, 2017. (Xinhua/Wu Zhuang)

Mongolian President Khaltmaa Battulga (L) speaks on the plenary session of the third Eastern Economic Forum in Vladivostok, Russia, on Sept. 7, 2017. (Xinhua/Wu Zhuang)

Russian President Vladimir Putin (L) speaks on the plenary session of the third Eastern Economic Forum in Vladivostok, Russia, on Sept. 7, 2017. (Xinhua/Wu Zhuang)

South Korean President Moon Jae-in (L) speaks on the plenary session of the third Eastern Economic Forum in Vladivostok, Russia, on Sept. 7, 2017. (Xinhua/Wu Zhuang)