Philadelphia International Exposition, 1876: American Civil War freight car: a model. Photograph, 1876. https://www.rawpixel.com/image/13954754/image-public-domain-car-trainFree Image from public domain licensePhiladelphia International Exposition, 1876: American Civil War Army of the Cumberland train carriage: the hospital car: a… https://www.rawpixel.com/image/13952916/photo-image-art-hospital-public-domainFree Image from public domain licensePhiladelphia International Exposition, 1876: American Civil War Army of the Potomac train carriage: the hospital car: a… https://www.rawpixel.com/image/13968441/photo-image-art-sky-hospitalFree Image from public domain licenseSushi food rice meal. AI generated Image by rawpixel. https://www.rawpixel.com/image/12121051/image-background-watercolor-illustrationView licensePhiladelphia International Exposition, 1876: American Civil War Army of the Cumberland train carriage: the kitchen car: a… https://www.rawpixel.com/image/13971497/photo-image-sky-public-domain-carFree Image from public domain licenseA pipe aqueduct (the Wissahickon aqueduct), Philadelphia, Pennsylvania. Photograph, ca. 1880. https://www.rawpixel.com/image/14007356/photo-image-cloud-plant-personFree Image from public domain license