Mountains (right from the triptych Three Evening Scenes) (19th century) by Suzuki Kiitsu. Original public domain image from… https://www.rawpixel.com/image/7642481/image-art-vintage-public-domainFree Image from public domain licenseHokusai's ocean and cliff, Album of Sketches (1760-1849). Original public domain image from The MET Museum. Digitally… https://www.rawpixel.com/image/7660273/image-art-vintage-public-domainFree Image from public domain licenseThe Sun (1910) oil painting by Edvard Munch. Original public domain image from Wikimedia Commons. Digitally enhanced by… https://www.rawpixel.com/image/11493475/image-background-art-abstractFree Image from public domain licenseKiezelmarmer in groen, oranje, blauw en geel (1800 - 1969) by anonymous https://www.rawpixel.com/image/13735564/kiezelmarmer-groen-oranje-blauw-geel-1800-1969-anonymousFree Image from public domain licenseLandschap, Boitsfort, met bloeiende fruitbomen (1892 - 1916) by Rik Wouters https://www.rawpixel.com/image/13788262/landschap-boitsfort-met-bloeiende-fruitbomen-1892-1916-rik-woutersFree Image from public domain license