Foto: "<a href="https://www.ccnull.de/foto/frame-made-of-christmas-toys-and-gifts-and-a-medical-mask-with-the-inscription-covid-in-the-middle/1029390" target="_blank">Frame made of Christmas toys and gifts and a medical mask with the inscription covid in the middle</a>" von <a href="https://www.ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://www.ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/50373245623/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>