Foto: "<a href="https://www.ccnull.de/foto/a-bucket-of-colored-chalk-for-drawing-on-the-asphalt/1013996" target="_blank">A bucket of colored chalk for drawing on the asphalt</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@N08/48558014151/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>