Visiting U.N. Secretary General Ban Ki-moon (R) talks with Austrian President Heinz Fischer (C) and Austrian Chancellor Werner Faymann in Vienna, capital of Austria, on Aug. 29, 2013. (Xinhua/Qian Yi)
U.N. Secretary General Ban Ki-moon (L) and Vienna's mayor Michael Haeupl (C) pose for photos after Ban Ki-moon received the city's golden medal of honor, in Vienna, capital of Austria, on Aug. 29, 2013. (Xinhua/Qian Yi)
U.N. Secretary General Ban Ki-moon speaks during a ceremony to award him the city's golden medal of honor, in Vienna, capital of Austria, on Aug. 29, 2013. (Xinhua/Qian Yi)