2012 年9 月，以“幸福城市，绿色生活”为主题的2012 中国国际友好城市大会在成都召开。
The 2012 China International Friendship Cities Conference, with “Happy City, Green Living” as its theme, is held in Chengdu in September 2012.
The 2012 China International Friendship Cities Conference, with “Happy City, Green Living” as its theme, is held in Chengdu in September 2012.
