Foto: "<a href="https://www.ccnull.de/foto/fallen-tree-with-big-roots-and-branches-on-the-hiking-trail-in-swiss-mountains/1030660" target="_blank">Fallen tree with big roots and branches on the hiking trail in Swiss mountains</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@N08/50531841211/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>