Studies for the Libyan Sibyl (recto); Studies for the Libyan Sibyl and a small Sketch for a Seated Figure (verso) by… https://www.rawpixel.com/image/9184318/image-dark-academia-john-singer-sargent-frescoFree Image from public domain licenseNieuport 28C.1, vintage airplane image. Original public domain image from The Smithsonian Institution. Digitally enhanced by… https://www.rawpixel.com/image/10103391/photo-image-rose-plant-handsFree Image from public domain license