Foto: "<a href="https://ccnull.de/foto/medical-protective-face-masks-with-red-gift-ribbon-christmas-ball-and-fir-branches-on-a-purple-background/1015150" target="_blank">Medical protective face masks with red gift ribbon, Christmas ball and fir branches on a purple background</a>" von <a href="https://ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/50384386056/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>