City skyline across River Main, Frankfurt am Main, Hesse, Germany, Europe

city cities skyline river main frankfurt am main hesse germany german europe european photography colour colour image color color image outdoors outside nobody no one no one illuminated lit lit up lens flare flare sunburst travel destination travel destinations travel 20th century modern architecture architectural building exterior building buildings town townscape urban scene urban scenes urban bridge river crossing arch arches arched suspension footbridge focus on foreground square image square