Queen's road, Hong Kong. Photograph by John Thomson, 1869. https://www.rawpixel.com/image/14015979/queens-road-hong-kong-photograph-john-thomson-1869Free Image from public domain licensePena Convent, on one of the Mountains overhanging, Cintra, Portugal]/[Pena de Cintra by Campos Junior https://www.rawpixel.com/image/14305089/image-art-smoke-mountainsFree Image from public domain license[Untitled photo, possibly related to: Railroad yards, Omaha, Nebraska]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12310541/image-moon-sky-smokeFree Image from public domain licensePanorama de Paris - Vue prise au Nord du Pantheon by Neurdein Frères https://www.rawpixel.com/image/14276648/panorama-paris-vue-prise-nord-pantheon-neurdein-freresFree Image from public domain licenseSwimming in Polluted Lake Charles. Olin-Mathieson Plant in Background 06/1972. Original public domain image from Flickr https://www.rawpixel.com/image/8770482/photo-image-person-nature-waterFree Image from public domain licenseScene in west Aliquippa, Pennsylvania. Stacks of the Jones and Laughlin Steel Corporation in background. Sourced from the… https://www.rawpixel.com/image/12324514/image-background-person-skyFree Image from public domain licenseInclined railway, Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12315631/image-sky-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: View of Memphis, Tennessee, from roof of hotel]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12243565/photo-image-sky-smoke-roadFree Image from public domain licenseAesthetic cityscape arc badge, New York City image https://www.rawpixel.com/image/6738041/image-aesthetic-sticker-collageView license[Untitled photo, possibly related to: Washington, D.C. International student assembly. Left to right: pilot officer Carlysle… https://www.rawpixel.com/image/12338199/image-face-person-skyFree Image from public domain licenseVue de Saint-Étienne et du Viaduc de Montaud (Ligne de Saint-Étienne au Puy) by Auguste Hippolyte Collard https://www.rawpixel.com/image/14280494/photo-image-person-smoke-roadFree Image from public domain license[Untitled photo, possibly related to: Waiting for the parade to pass, Cincinnati, Ohio]. Sourced from the Library of… https://www.rawpixel.com/image/12309725/image-people-smoke-roadFree Image from public domain licensePhiladelphia. - S. from Girard College. by Montgomery P Simons https://www.rawpixel.com/image/14299539/philadelphia-from-girard-college-montgomery-simonsFree Image from public domain licenseSebastopol. From the left attack by James Robertson and Felice Beato https://www.rawpixel.com/image/14311941/sebastopol-from-the-left-attack-james-robertson-and-felice-beatoFree Image from public domain licensePanoramic View of San Francisco - No. 8. Taken from the corner of Sacramento and Taylor Sts. by C L Weed and Edward and… https://www.rawpixel.com/image/14283869/photo-image-art-smoke-public-domainFree Image from public domain licenseUnloading meat in wholesale district, Omaha, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12310850/image-person-smoke-roadFree Image from public domain licenseHouses on "The Hill" section, Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12315629/image-person-sky-smokeFree Image from public domain licenseGezicht op Napels vanaf het klooster San Martino (c. 1880 - c. 1895) by Fratelli Alinari and Fratelli Alinari https://www.rawpixel.com/image/13754537/photo-image-paper-sky-smokeFree Image from public domain licenseNorth Bridge & Old Town from Nelson's Monument by John Lennie https://www.rawpixel.com/image/14302051/north-bridge-old-town-from-nelsons-monument-john-lennieFree Image from public domain licenseCity built on shore by Charles Fortunat Paul Casimir Perier https://www.rawpixel.com/image/14273245/city-built-shore-charles-fortunat-paul-casimir-perierFree Image from public domain licenseView from the Nucleus Hotel, Corner Market and Third Streets, looking North, San Francisco. by Lawrence and Houseworth https://www.rawpixel.com/image/14308383/photo-image-smoke-public-domain-factoryFree Image from public domain licensePagode van de tempel van Tianning, Beijing (c. 1879 - c. 1890) by anonymous https://www.rawpixel.com/image/13753825/pagode-van-tempel-van-tianning-beijing-c-1879-1890-anonymousFree Image from public domain license[Untitled photo, possibly related to: New York City, East Side, Sunday morning]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247125/photo-image-sky-smoke-roadFree Image from public domain licenseBlack man posed on street at light pole, Albany, N.Y. by Julius M Wendt https://www.rawpixel.com/image/14302434/black-man-posed-street-light-pole-albany-ny-julius-wendtFree Image from public domain licenseGrosuplje.. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294825/free-photo-image-morning-worship-aerial-view-architectureFree Image from public domain licenseCenter City, Philadelphia, August 1973. Photographer: Swanson, Dick. Original public domain image from Flickr https://www.rawpixel.com/image/8802847/photo-image-smoke-nature-fogFree Image from public domain license"The Queen of the Baltic," Stockholm, Sweden. by Carleton H Graves https://www.rawpixel.com/image/14292484/the-queen-the-baltic-stockholm-sweden-carleton-gravesFree Image from public domain licenseWinter snow architecture outdoors. AI generated Image by rawpixel. https://www.rawpixel.com/image/12005332/photo-image-plant-tree-natureView licenseElevators and Lumber Yards, South Chicago. by John Carbutt https://www.rawpixel.com/image/14290974/elevators-and-lumber-yards-south-chicago-john-carbuttFree Image from public domain licenseWilkes Barre. Going West on Market St. from Square to Bridge. by E W Beckwith https://www.rawpixel.com/image/14287851/wilkes-barre-going-west-market-st-from-square-bridge-beckwithFree Image from public domain licenseGezicht vanaf een terras over Brussel, in avondschemering (1885) by Willem de Famars Testas https://www.rawpixel.com/image/13790188/image-dog-paper-cloudFree Image from public domain licenseThe sky over Hong Kong. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3290788/free-photo-image-aerial-view-architecture-boardwalkFree Image from public domain licenseQuebec, Vue generale de la terrasse prise de la citadelle by L P Vallée https://www.rawpixel.com/image/14321780/quebec-vue-generale-terrasse-prise-citadelle-valleeFree Image from public domain licenseThe Great Johnstown Flood, May 31, 1889. A bird's-eye view of Johnstown from the hill-top south of the city... by Robert K… https://www.rawpixel.com/image/14288594/photo-image-plant-tree-artFree Image from public domain licenseLower Manhattan seen from the S.S. Coamo leaving New York. Sourced from the Library of Congress. https://www.rawpixel.com/image/12321092/image-sky-smoke-public-domainFree Image from public domain license6:30 a.m. in front of Union Station, Omaha, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12309553/image-person-sky-smokeFree Image from public domain licenseLower Manhattan seen from the S.S. Coamo leaving New York. Sourced from the Library of Congress. https://www.rawpixel.com/image/12320905/image-person-sky-smokeFree Image from public domain licenseCoal Barges Tied Up on the Cumberland River Waiting to Be Unloaded by Automated Equipment at the Tennessee Valley Authority… https://www.rawpixel.com/image/8803223/photo-image-smoke-nature-waterFree Image from public domain licenseInhuldiging en eedsaflegging (1785 - 1885) by Johann Nepomuk Gibèle, Denis Sebastien Leroy and J L van Bever https://www.rawpixel.com/image/13759573/image-paper-horse-personFree Image from public domain licenseU.S. Marine Corps recruits with November Company, 4th Battalion, Recruit Training Regiment, test their gas masks inside the… https://www.rawpixel.com/image/3318515/free-photo-image-golf-apparel-architectureFree Image from public domain licenseStreet scene in an unknown city with horse and carriage at center https://www.rawpixel.com/image/14308406/street-scene-unknown-city-with-horse-and-carriage-centerFree Image from public domain licenseGeorge Washington Bridge from New York City side. 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