Bridge lit up at night, Millennium Bridge, Thames River, London, England

Resort lit up at night, Rugen Island, Mecklenburg-West Pomerania, Germany

China, Guangdong, River bridge; Guangzhou

Bridge crossing River Neckar; Heidelberg, Baden-Wurttemberg, Germany

Heidelberg Castle and the old bridge over River Neckar illuminated at nighttime; Heidelberg, Germany

Heidelberg Castle and the old bridge over River Neckar illuminated at nighttime; Heidelberg, Germany

View of the city of Heidelberg at nighttime and a bridge crossing the River Neckar; Heidelberg, Baden-Wurttemberg, Germany

China, Sichuan, Skyline at night; Chongqing

China, Sichuan, Skyline at night; Chongqing

Hohenzollern Bridge and Cologne Cathedral at nighttime; Cologne, Germany

Tower Bridge and The Shard; London, England

United Kingdom, City skyline with Tower Bridge and Shard building at dusk; London

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

Arch bridge across river lit up at dusk, River Neckar, Germany

Bridge lit up at night, Liberty Bridge, Danube River, Budapest, Hungary

Bridge across river lit up at dusk, Duisburg, North Rhine-Westphalia, Germany

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

Bridge lit up at night, Alamillo Bridge, Seville, Spain

Building lit up at night, Danube River, Budapest, Hungary

Flags across river in front of lit up building

Church lit up at night

Building lit up at night, Bauakademie, Spree River, Berlin, Germany

Bridge across river, Ruhr River, Germany

Digestion towers lit up at night, Koehlbrand Bridge, Hamburg, Germany

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

Bridge across river lit up at night