Princess Pauline Metternich (1836–1921) on the Beach by Eugène Boudin https://www.rawpixel.com/image/9087376/princess-pauline-metternich-1836-1921-the-beach-eugene-boudinFree Image from public domain licenseThe Greyhounds of the Comte de Choiseul (1866) painting in high resolution by Gustave Courbet. https://www.rawpixel.com/image/7728726/image-art-public-domain-artworksFree Image from public domain licensePresident Barack Obama talks with German Chancellor Angela Merkel and British Prime Minister David Cameron before the start… https://www.rawpixel.com/image/4051191/image-public-domain-person-photoFree Image from public domain license