The edges of a wavy skyscraper facade in black and white. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283533/free-photo-image-office-building-city-blackFree Image from public domain licenseThe New York City skyline facing south. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282949/free-photo-image-new-york-building-skylineFree Image from public domain licenseSky-scrapers of Philadelphia, aesthetic printing. Original public domain image from the Library of Congress. Digitally… https://www.rawpixel.com/image/8544082/image-aesthetic-art-vintageFree Image from public domain licenseGlass panels in the modern facade of a building in Madrid. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282205/free-photo-image-office-building-background-clean-minimalistFree Image from public domain licenseFree spiral stairways from a low angle image, public domain architecture CC0 photo. https://www.rawpixel.com/image/5917686/image-light-public-domain-shadowsFree Image from public domain licenseFree Paris Eiffel Tower during daytime photo, public domain building CC0 image. https://www.rawpixel.com/image/5925311/photo-image-cloud-public-domain-artFree Image from public domain licenseFree sky view of cityscape in Busan South Korea photo, public domain building CC0 image. https://www.rawpixel.com/image/5922877/photo-image-public-domain-free-cityFree Image from public domain licenseA round corner of a tall skyscraper in Tokyo. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282335/free-photo-image-building-apartment-architectureFree Image from public domain licenseCloseup on The Leaning Tower of Pisa in Italy. Free public domain CC0 image. https://www.rawpixel.com/image/6033181/photo-image-public-domain-free-cityFree Image from public domain licenseCloseup on The Leaning Tower of Pisa in Italy. Free public domain CC0 image. https://www.rawpixel.com/image/6031152/photo-image-public-domain-free-cityFree Image from public domain licenseCloseup on The Leaning Tower of Pisa in Italy. Free public domain CC0 image. https://www.rawpixel.com/image/6030963/photo-image-public-domain-free-cityFree Image from public domain licenseCloseup on The Leaning Tower of Pisa in Italy. Free public domain CC0 image. https://www.rawpixel.com/image/6030967/photo-image-public-domain-free-cityFree Image from public domain licenseBlack and white shot of apartment building. Free public domain CC0 photo. https://www.rawpixel.com/image/6034084/photo-image-public-domain-glass-businessFree Image from public domain licensePetronas twin towers, Malaysia landmark. Free public domain CC0 photo. https://www.rawpixel.com/image/6030226/photo-image-lights-public-domain-businessFree Image from public domain licenseClock Tower of The Basilica of the National Vow in Quito, Ecuador during night. Free public domain CC0 photo. https://www.rawpixel.com/image/6043506/photo-image-public-domain-free-nightFree Image from public domain licenseBlackfriars, from Southwark Bridge, plate six from Original Views of London as It Is by Thomas Shotter Boys https://www.rawpixel.com/image/8988536/image-paper-sky-artFree Image from public domain licenseCoal Barges Unloading (recto); Sketch of a Building (verso) by Walter Greaves https://www.rawpixel.com/image/8980928/coal-barges-unloading-recto-sketch-building-verso-walter-greavesFree Image from public domain license"The Spy Zambur Brings Mahiya to the City of Tawariq", Folio from a Hamzanama (Book of Hamza), attributed to Kesav Das and… https://www.rawpixel.com/image/9087743/image-persian-indian-islamic-artFree Image from public domain licenseThe Manhattan Bridge and the New York City skyline at sunset.Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303355/free-photo-image-boat-apartment-building-architectureFree Image from public domain license