Illuminated riverfront skyline, Germany, Hesse, Frankfurt

no people horizontal outdoors night long exposure illuminated building exterior skyscraper city skyline waterfront germany hesse frankfurt clear sky river modern architecture downtown landmark cityscape travel blue highrise office bank tower commerzbank full main bridge nobody open air outside exterior exteriors night time nighttime illumination lighting lit up facade urban scene skyscrapers german federal republic of germany europe western europe european waterway architectural landmarks blue color business built structure towers bridges nights long exposures illuminating lit illuminations building buildings exteriors man made structure metropolis cities horizon outline skylines oceanfront coast waterfronts