Sunset, The magazine of California and the Far West (1904) poster by Adolf Methfessel. Original public domain image from the… https://www.rawpixel.com/image/8628526/image-art-vintage-sunsetFree Image from public domain licenseSkull (Front View) in An academic physiology and hygiene (1903) vintage icon by Orestes M. Brands. Original public domain… https://www.rawpixel.com/image/10541540/image-face-person-artFree Image from public domain licenseCo-workers working together in the office https://www.rawpixel.com/image/259913/showing-smartphone-screenView licenseHuman skull vintage illustration. Remixed by rawpixel. https://www.rawpixel.com/image/10870220/image-face-person-artView licenseGroup of cheerful women in yoga class https://www.rawpixel.com/image/2194684/happiness-the-yoga-studioView license