Calton Hill, the Dugald Stewart Monument by Hill and Adamson https://www.rawpixel.com/image/14272725/calton-hill-the-dugald-stewart-monument-hill-and-adamsonFree Image from public domain licenseDugald Stewart's Monument, Calton Hill by Hill and Adamson https://www.rawpixel.com/image/14309987/dugald-stewarts-monument-calton-hill-hill-and-adamsonFree Image from public domain licenseDugald Stewart Monument, Calton Hill, Edinburgh by James Macgill https://www.rawpixel.com/image/14296678/dugald-stewart-monument-calton-hill-edinburgh-james-macgillFree Image from public domain license