Close-up of Siberian eagle owl (Bubo bubo sibiricus), Main-Kinzig-Kreis, Hesse, Germany

Bridge across river with skyscrapers in background, Ignatz Bubis Bridge, River Main, Frankfurt, Hesse, Germany

Skyscrapers lit up at evening, Frankfurt, Hesse, Germany

Tram in the inner city of Frankfurt am Main, Germany

View of a shopping street, Frankfurt am Main, Germany, bird's eye view

View of the inner city of Frankfurt am Main, Germany, bird's eye view

View of the inner city of Frankfurt am Main, Germany, bird's eye view

View of the inner city, Day Telescope on a viewing platform in the foreground, Frankfurt am Main, Germany

Skyline of Frankfurt at night, Germany

Low angle view of building against sky, Frankfurt, Germany

Streetlight lit up besides theater building, Frankfurt, Germany

Low angle view of building against sky, Frankfurt, Germany

Town on riverbank, Main, Auheim, Hesse, Germany