The Ground Floor of the Pavillon Richelieu, Louvre, Paris by Édouard Baldus https://www.rawpixel.com/image/14325944/the-ground-floor-the-pavillon-richelieu-louvre-paris-edouard-baldusFree Image from public domain licenseSecundra; The Mausoleum of Akbar, from an Angle of the First Terrace by Samuel Bourne https://www.rawpixel.com/image/14321640/image-person-men-public-domainFree Image from public domain licenseView with 'Memento Homo' Inscription by Nadar Gaspard Félix Tournachon https://www.rawpixel.com/image/14271867/view-with-memento-homo-inscription-nadar-gaspard-felix-tournachonFree Image from public domain licenseMadura. [Trimul Naik's] Palace, East Facade in Quadrangle. by Capt Linnaeus Tripe https://www.rawpixel.com/image/14314731/image-tree-public-domain-houseFree Image from public domain license