Cologne, city view from the Rheinboulevard on Museum Ludwig, Cologne Cathedral, Hohenzollern Bridge and the Rhine

after dark architecture at night atmosphere attraction attraction attractions attractions bank of the rhine blue hour bridge building central europe central germany city city break cityscape cologne cologne cathedral cultural tour culture deserted destination downtown dusk educational trip europe evening geography germany happy hour historic historic building historical hohenzollern bridge illuminated illumination journey light lighting lit metropolis mood night night no one nobody north rhine north rhine westphalia outdoor outside overview panorama rhine river romantic sight sightseeing skyline summer summertime tourism tourist town travel twilight hour view worth seeing