Solar ferry07/25/2016July 25, 2016Berlin's transport agency has long operated diesel boats, but now runs four solar-powered ferries equipped with batteries for when the sun doesn’t shine. Captain Anna Sadowski pilots the boat.https://p.dw.com/p/1JVHPImage: DW/L. OsborneAdvertisementSolar ferry across the SpreeTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video