view of river main and westhafen tower, modern residential buildings, 30-story skyscraper westhafen tower in gutleitviertel

shore river main frankfurt waterfront urban cityscape skyline water european canals gutleitviertel buildings winter tower modern westhafen skyscraper germany district glass building gerippte banks boats yachts architecture city steel contemporary landmark travel destination riverfront vessels transportation luxury docked floating cruise nautical marine outdoors activity business commercial office view residential 30-story international tourism