Drawbridge across river lit up at night, Magere Brug, Amstel River, Amsterdam, Netherlands

Tourists in front of building lit up at dusk, Campo dei Fiori, Rome, Italy

Bridge across canal lit up at night, Keizersgracht, Amsterdam, Netherlands

Fountain lit up in front of casino, Wiesbaden, Hesse, Germany

Church lit up at night, Rhine River, Cologne Cathedral, Cologne, North Rhine-Westphalia, Germany

Church lit up at dusk, Rhine River, Cologne Cathedral, Cologne, North Rhine-Westphalia, Germany

Casino lit up at night, Wiesbaden, Hesse, Germany

Castle lit up at dusk, Wartburg Castle, Eisenach, Thuringia, Germany

Art museum lit up at dusk, Guggenheim Museum, Bilbao, Spain

Art museum lit up at dusk, Guggenheim Museum, Bilbao, Spain

Cars parked in front of lit up building, Novy Arbat, Moscow, Russia

Street light lit up in front of government building, German Chancellery, Berlin, Germany

Street lights lit up in front of hotel

People walking in front of building lit up at night, Dublin, Republic of Ireland

Bridge across river, Belgium

Low angle view of flags in front of building

Vehicles in front of cathedral lit up at night

Skyscrapers lit up at riverbank, Empire State Building, Hudson River, New York City, New York State, USA

Building at waterfront lit up at night, Istanbul, Turkey

Windows of building lit up at night, Chicago, Illinois, USA

Lamp post in front of buildings lit up in city

Facade of lit up building, Paul Loebe Haus, Berlin, Germany

World War II poster of Army Engineers building a bridge across a river.

Rear view of a boy sitting on wall in front of a tower

Businessman standing by building and lightbulb

Male gymnast on the rings

Bright blisters of nuclear energy erupting across the face of a planet.

Boy and girls in school uniform with a notebook

Flags across river in front of lit up building