Detail of a fountain, providing a very pure water, formerly reserved for the king, "Fountain Courtyard", Fontainebleau… https://www.rawpixel.com/image/3340946/free-photo-image-animal-cc0-creative-commonsFree Image from public domain licenseLooking up at city buildings on a foggy day in Madrid. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3299526/free-photo-image-cc0-creative-commonsFree Image from public domain licenseFlammulina is a genus of fungi in the Physalacriaceae family. The genus, widespread in temperate regions. Original public… https://www.rawpixel.com/image/4024676/photo-image-plant-natureFree Image from public domain licenseA large structure emanating different colors of light in the left of frame is surrounded by steam which bounces the light… https://www.rawpixel.com/image/5975081/photo-image-light-public-domain-smokeFree Image from public domain licenseJacques-Louis David (ca. 1813–1815) by Anonymous Artist & Georges Rouget. https://www.rawpixel.com/image/8232418/image-art-vintage-public-domainFree Image from public domain licenseThe Hon. Sir Francis Burton Conyngham (ca. 1790–1795) by British 18th Century. https://www.rawpixel.com/image/8232345/image-art-vintage-public-domainFree Image from public domain licenseGrace Allison McCurdy (Mrs. Hugh McCurdy) and Her Daughters, Mary Jane and Letitia Grace (ca. 1806) by Joshua Johnson. https://www.rawpixel.com/image/8230932/image-art-vintage-public-domainFree Image from public domain license