![Cargo bike festival in Berlin(1/5)](http://www.ecns.cn/hd/2018/04/17/3bbbf4a18a5d4a8b8cb581c0fc393fc7.jpg)
Photo taken on April 15, 2018 shows a cargo bike festival in Berlin, Germany. Participants brought a great number of cargo bikes to the festival. (Photo/Agencies)
Photo taken on April 15, 2018 shows a cargo bike festival in Berlin, Germany. Participants brought a great number of cargo bikes to the festival. (Photo/Agencies)