Photo taken on Sept. 3, 2013 shows a poster of G20 summit in St. Petersburg, Russia. G20 leaders will meet in St. Petersburg on Sept. 5-6. (Xinhua/Lu Jinbo)
Photo taken on Sept. 3, 2013 shows a huge banner of G20 summit in St. Petersburg, Russia. G20 leaders will meet in St. Petersburg on Sept. 5-6. (Xinhua/Lu Jinbo)
Photo taken on Sept. 3, 2013 shows a poster of G20 summit in St. Petersburg, Russia. G20 leaders will meet in St. Petersburg on Sept. 5-6. (Xinhua/Lu Jinbo)