View through an alley of apartment stairwells of a skyscraper downtown in the winter. Original public domain image from… https://www.rawpixel.com/image/3283386/free-photo-image-asphalt-skyline-cityFree Image from public domain licenseThe skyline of downtown Montreal, Canada with a river at the back. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303462/free-photo-image-1000-aerial-view-apartment-buildingFree Image from public domain licenseMontreal, Quebec: elevated view of the city taken from Mount Royal Park. Photograph, ca. 1880. https://www.rawpixel.com/image/13993770/photo-image-cloud-tree-skyFree Image from public domain license