© USA, Alabama, Girders stacked in warehouse

© USA, Alabama, Girders stacked in warehouse

© View along footbridge at sunrise

© Worker on construction site standing on steel girder, getting instructions from lead worker

© Worker and architect looking at blueprint on construction site

© Germany, Hannover, large construction site

© Architect with tablet wearing hard hat on construction site

© Architect and foreman with tablet wearing hards hat on construction site

© Construction workers at work on construction site

© Female factory woker pulling an iron chain

© Portrait confident steel worker in factory

© Welder using welding torch in steel factory

© Crane holding steel beam

© Silhouette of power line against colorful sky

© Bridge spanning river, Koocanusa Bridge, Rexford, Montana, United States

© Cars on bridge

© Bridge over river, New Orleans, Louisiana, United States

© American flag on water tower

© Close up of construction worker on infrastructure

© Men talking outside manufacturing plant

© Hispanic man working at construction site

© Glass ceiling and girders

© Construction worker welding metal

© Caucasian construction worker standing on girder

© Mixed race worker on construction site