The Third BRIDGE for Cities-Belt and Road Initiative:Developing Green Economies for Cities was held on October 8th in Vienna,the capital of Austria.Liu Hongru,Deputy Secretary General of China Federation of Industrial Economics (CFIE),on behalf of Xiong Meng,Executive Vice-Chairman and Secretary General of CFIE was invited to attend the conference.Multilateral exchanges and in-depth discussions were carried out on how to achieve sustainable industrial development in urban area,and how to promote economic development,infrastructure construction and community development in a virtuous circle.