Parabolic discs at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe

Eurostar Trains waiting on platforms in the 19th century wrought iron interior of St. Pancras Railway station, London, England, United Kingdom, Europe

Interior of St. Pancras railway station, the Eurostar terminal, showing Victorian iron girders and Eurostar trains, London, England, United Kingdom, Europe

French Metal Milk Jugs

Caucasian farmer leaning on railing near horse

Island in the Mura Graz, Styria, Austria

Forth Rail Bridge crossing the firth of Forth Fjord near Edinburgh, Scotland, Great Britain, Europe

Iron Bridge, Ironbridge Gorge, England, United Kingdom, Europe

Detail of Andresey Bridge, an iron bridge over the River Trent built in 1884, in the park of Burton upon Trent, Staffordshire, England, Europe

The Oak Ridge International Friendship Bell in Bissell Park, symbol of friendship and peace with Japan; Oak Ridge was established during World War II to produce weapons-grade uranium for the atomic bombs dropped on Hiroshima and Nagasaki, Oak Ridge, Tenne

Neue Elbbruecke Elbe bridge, Hamburg, Germany, Europe

Cable-stayed bridge, bridge pier, pylon, Erasmus Bridge, Erasmusbrug, Rotterdam, Kop van Zuid, Netherlands, Europe

Cable-stayed bridge, bridge pier, pylon, Erasmus Bridge, Erasmusbrug, Rotterdam, Kop van Zuid, Netherlands, Europe

Pergola

Hohenzollernbruecke bridge at night, detail, Cologne, North Rhine-Westphalia, Germany, Europe

A view of the Iron Bridge, Ironbridge, Shropshire, England, United Kingdom, Europe

A view of the Iron Bridge, Ironbridge, Shropshire, England, United Kingdom, Europe

Glass roof with metal struts, Europa Center in the City West district of Berlin, Germany, Europe

Eiserner Steg, Iron Footbridge, with views towards downtown and the financial district, Frankfurt am Main, Hesse, Germany, Europe

Erasmus Bridge, Rotterdam, South Holland, Holland, Netherlands, Europe

The disused Steetley Pier was built to serve the former Hartlepool Magnesia Works which has now been demolished, Hartlepool, County Durham, England

View Of The Sky And The Shard From Millennium Bridge Against A Dramatic Spring Sky, London, England

An Arched Bridge Covered With Metal Top And Metal Railings, Port Colborne, Ontario, Canada

Man wearing baseball cap on building site, measuring wooden beam with metal ruler, Oxfordshire, England

bridge architecture

Low angle view of steel girders

Steel beam frames at construction site

construction