Block letter TORONTO sign in a public space downtown. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3290753/free-photo-image-arch-bridge-archedFree Image from public domain licenseMan skateboarding under a bridge with urban wall https://www.rawpixel.com/image/6106043/man-skateboarding-under-bridge-with-urban-wallView licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Large concrete… https://www.rawpixel.com/image/12323733/image-person-sky-roadFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Concrete work… https://www.rawpixel.com/image/12323788/image-person-road-public-domainFree Image from public domain licenseMan skateboarding under a bridge with urban wall https://www.rawpixel.com/image/6106044/man-skateboarding-under-bridge-with-urban-wallView licenseMinimalism. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3289593/free-photo-image-architectural-detail-brass-section-bridge-sideFree Image from public domain licenseMangahao Hydro-Electric scheme : 1929 (1929) by Leslie Adkin. https://www.rawpixel.com/image/13028618/mangahao-hydro-electric-scheme-1929-1929-leslie-adkinFree Image from public domain licensePutting concrete on Pit River Bridge which is above Shasta Dam, Shasta County, California by Russell Lee https://www.rawpixel.com/image/12172145/image-person-art-vintageFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Large concrete… https://www.rawpixel.com/image/12323784/image-person-sky-treeFree Image from public domain licenseThe new Fitzherbert Bridge (15) (12 June 1936) by Leslie Adkin. https://www.rawpixel.com/image/13027892/the-new-fitzherbert-bridge-15-12-june-1936-leslie-adkinFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Waterproof paper… https://www.rawpixel.com/image/12323789/image-paper-person-airplaneFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Pre-mixed… https://www.rawpixel.com/image/12324070/image-plant-person-treeFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Pile of welded… https://www.rawpixel.com/image/12323742/image-background-pattern-roadFree Image from public domain licenseAnton Parsons’ Passing Time, was created for the 6th SCAPE, and installed only a few days prior to the shaking we… https://www.rawpixel.com/image/4025923/photo-image-art-plant-cellphoneFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. The man in the… https://www.rawpixel.com/image/12324082/image-people-tree-roadFree Image from public domain licenseVistas Mexicanas. Wimer Viaduct, Nacional Railroad by Abel Briquet https://www.rawpixel.com/image/14322641/vistas-mexicanas-wimer-viaduct-nacional-railroad-abel-briquetFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Concrete being… https://www.rawpixel.com/image/12324077/image-people-sky-airplaneFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Pouring concrete… https://www.rawpixel.com/image/12324022/image-plant-person-treeFree Image from public domain licenseWashington, D.C. Test pile loaded with concrete blocks to determine how much the pile will sink when the bridge structure is… https://www.rawpixel.com/image/12323943/image-person-tree-roadFree Image from public domain licenseU.S. Airmen from the South Carolina Air National Guard’s 169th Civil Engineer Squadron at McEntire Joint National Guard… https://www.rawpixel.com/image/4043282/photo-image-people-nature-wallFree Image from public domain licenseWashington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Men shoveling… https://www.rawpixel.com/image/12323773/image-people-road-public-domainFree Image from public domain licenseMangahao Hydro-Electric scheme - 37th and 38th visits : 1924 (1924) by Leslie Adkin. https://www.rawpixel.com/image/13028668/image-person-water-clothingFree Image from public domain licensePutting concrete on Pit River Bridge which is above Shasta Dam, Shasta County, California by Russell Lee https://www.rawpixel.com/image/12172142/image-plant-people-artFree Image from public domain licenseIndustrial building with connecting steel walkways https://www.rawpixel.com/image/534673/free-photo-image-factory-architectural-architectureView licenseIndustrial building with connecting steel walkways https://www.rawpixel.com/image/534672/free-photo-image-factory-industry-building-structureView licenseShot from under a bridge https://www.rawpixel.com/image/534698/free-photo-image-gates-architecture-beamsView license[Untitled photo, possibly related to: Washington, D.C. Construction of a bridge and road near Independence Avenue and 14th… https://www.rawpixel.com/image/12270910/photo-image-plant-person-skyFree Image from public domain licenseIndustrial building with connecting steel walkways https://www.rawpixel.com/image/534671/free-photo-image-steel-architecture-metal-structures-factory-architecturalView licenseShot from under a bridge https://www.rawpixel.com/image/534693/free-photo-image-grunge-streets-concrete-bridge-parallelView licensePrecast concrete flume on "C" Canal in Oregon. Length, 4300 feet; capacity 345 second-feet. September, 1941. Sourced from… https://www.rawpixel.com/image/12237065/image-sky-road-animalFree Image from public domain license