Blue painted rectangle on painted white brick wall. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282266/free-photo-image-background-pattern-brick-wallFree Image from public domain licenseDiana (fragment) statue. Original public domain image from Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/9851284/photo-image-white-background-person-artFree Image from public domain licenseGeology: various crystalline substances. Coloured lithograph by A. Pralon after G. Pouchet. https://www.rawpixel.com/image/13969361/image-art-football-soccer-ballFree Image from public domain licenseA top view of various types of succulents surrounding a stone and gravel. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282265/free-photo-image-succulent-aerial-cc0Free Image from public domain licenseKiezelmarmer in groen, bruin, geel en rood (1700 - 1850) by anonymous https://www.rawpixel.com/image/13735668/kiezelmarmer-groen-bruin-geel-rood-1700-1850-anonymousFree Image from public domain licenseGraniet-kiezel-streepmarmer in geel, blauw, bruin, wit, roze en grijs (1700 - 1850) by anonymous https://www.rawpixel.com/image/13735473/image-background-paper-personFree Image from public domain licenseA flowering plant; a design for pietra dura (marble inlaid with semi-precious stones). Gouache painting by an Indian artist. https://www.rawpixel.com/image/13968643/image-flower-plant-medicineFree Image from public domain licenseBrown donkey in Tiscamanita, Spain. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305713/free-photo-image-horse-nature-stone-lionFree Image from public domain licenseThe Sphinx Lost in Time. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305705/free-photo-image-statue-sphinx-sculptureFree Image from public domain licenseDragon stone statue, religion sculpture photo, free public domain CC0 image. https://www.rawpixel.com/image/5924389/photo-image-public-domain-marble-blueFree Image from public domain licenseConcrete contemporary architectural artwork. Free public domain CC0 image. https://www.rawpixel.com/image/6039494/photo-image-public-domain-concrete-freeFree Image from public domain licenseFree white brick wall image, public domain interior design CC0 photo. https://www.rawpixel.com/image/5924617/photo-image-texture-public-domain-shadowFree Image from public domain licenseBlue wooden door in brick wall. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286264/free-photo-image-door-home-wall-stoneFree Image from public domain licensePolished schists of marble and other mixed stones from Mount Vesuvius. Coloured etching by Pietro Fabris, 1776. https://www.rawpixel.com/image/13954824/image-background-art-patternFree Image from public domain licenseSkull, resting on a block of stone. Black chalk drawing, 18--. https://www.rawpixel.com/image/13963398/skull-resting-block-stone-black-chalk-drawing-18Free Image from public domain licenseStatue of Gaius Julius Caesar Augustus at Vatican Museum. Free public domain CC0 image. https://www.rawpixel.com/image/6032755/photo-image-public-domain-statue-freeFree Image from public domain license