Business people using blank round paper for brainstorming https://www.rawpixel.com/image/1208727/business-people-meetingView licenseGentlemen round a table at their club, smoking and drinking punch. Coloured mezzotint, late 18th century. https://www.rawpixel.com/image/13972148/image-person-art-newspapersFree Image from public domain licenseFountain and Cafe Morel, near Cirque National by Hippolyte Bayard https://www.rawpixel.com/image/14313269/fountain-and-cafe-morel-near-cirque-national-hippolyte-bayardFree Image from public domain license