Hinter Schönau and Reiteralp Mountains, Bavaria by Frederic Edwin Church, American, 1826–1900 https://www.rawpixel.com/image/9065950/hinter-schonau-and-reiteralp-mountains-bavariaFree Image from public domain licenseVolodymyr Zelenskyy, Andrzej Duda and Gitanas Nausėda held a meeting in the format of the Lublin Triangle in Lviv. https://www.rawpixel.com/image/11071571/photo-image-plant-tree-public-domainFree Image from public domain licenseA scholar pores over a book, searching for inspiration. Etching by F. Basan after D. Teniers the younger. https://www.rawpixel.com/image/14011481/image-person-book-artFree Image from public domain licenseA scholar-alchemist pores over a book, searching for inspiration. Etching by F. Basan after D. Teniers the younger. https://www.rawpixel.com/image/14016897/image-cartoon-face-personFree Image from public domain licenseA scholar-alchemist pores over a book, searching for inspiration. Etching by F. Basan after D. Teniers the younger. https://www.rawpixel.com/image/14012178/image-face-person-booksFree Image from public domain license