The Transfigurator or the French Lunette. Original from the Library of Congress. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/7615470/image-art-vintage-public-domainFree Image from public domain licenseOlson Microgravity Flame (2011) space art by NASA. Original public domain image from Wikimedia Commons. Digitally enhanced… https://www.rawpixel.com/image/10184885/image-paper-flower-artFree Image from public domain license