Fort Loudon [i.e., Loudoun] Dam, Tennessee. Tennessee Valley Authority (TVA). Construction. Sourced from the Library of… https://www.rawpixel.com/image/12340385/image-person-sky-waterFree Image from public domain license
Developer Servey Planning Structure Construction Concept https://www.rawpixel.com/image/53788/premium-photo-image-architect-architecture-assistanceView license
Lumber for construction work stacked in the open along Pacific Highway. San Diego, California by Russell Lee https://www.rawpixel.com/image/12150417/image-art-sky-vintageFree Image from public domain license