New York - Brooklyn bridge (1927) by František Tavík Šimon. Original public domain image from Web… https://www.rawpixel.com/image/9414541/image-person-art-vintageFree Image from public domain licenseIndustrial Landscape (1857–1924), illustration by Thomas Austen Brown. Original public domain image from Yale Center… https://www.rawpixel.com/image/9413838/image-sunset-art-vintageFree Image from public domain licenseLos Angeles city buildings, aesthetic illustration. Free public domain CC0 image. https://www.rawpixel.com/image/6446709/image-background-public-domain-shadowFree Image from public domain licenseLos Angeles city buildings, retro illustration vector. Free public domain CC0 image. https://www.rawpixel.com/image/6449492/vector-background-sticker-public-domainFree Vector from public domain licenseCity pollution png sticker illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6283205/png-cloud-stickerFree PNG from public domain licenseBrooklyn Bridge covered in mist on a foggy morning. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303352/free-photo-image-new-york-city-architecture-bridgeFree Image from public domain licenseSunset over the cityscape of Los Angeles. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3293280/free-photo-image-california-pictures-aerial-view-architectureFree Image from public domain licenseA fuzzy black-and-white shot of an apartment complex seen through a window. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3298781/free-photo-image-noir-city-industrial-landscapeFree Image from public domain licenseView of the New York City skyline and Empire State building from another skyscraper. Original public domain image from… https://www.rawpixel.com/image/3302862/free-photo-image-building-landscape-urban-new-york-cityFree Image from public domain licenseIll Winds On a Sunny Day: a Film On Air Pollution. Original public domain image from Flickr https://www.rawpixel.com/image/9648677/image-art-medicine-smokeFree Image from public domain licenseSan Francisco skyline, United States https://www.rawpixel.com/image/429799/free-photo-image-pollution-usa-skylineView licenseThe Factory (1887) by Vincent Van Gogh. Original from the Barnes Foundation. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/537424/free-illustration-image-van-gogh-factoryFree Image from public domain licenseFactory png clipart illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/9190608/png-white-background-peopleFree PNG from public domain licenseCity pollution clipart, environment illustration vector. Free public domain CC0 image. https://www.rawpixel.com/image/6283276/vector-cloud-sticker-public-domainFree Vector from public domain licenseSunset wallpaper https://www.rawpixel.com/image/93087/free-photo-image-background-design-editedView licenseDirty garbage bin in the back alley https://www.rawpixel.com/image/527058/free-photo-image-trash-can-englandView licenseInspector Testing The Exhaust Of An Auto At Soldier's Field One Of Nine Auto Pollution Test Sites Conducted Free By The City… https://www.rawpixel.com/image/8770181/photo-image-person-free-cityFree Image from public domain licenseNew York City. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294959/free-photo-image-new-york-aerial-view-buildingFree Image from public domain licenseMotorists Wait In Line At Soldier's Field, One Of Nine Auto Pollution Test Sites Conducted Free By The City Of Chicago's… https://www.rawpixel.com/image/8770101/photo-image-people-city-sports-carFree Image from public domain license