Foto: "<a href="https://ccnull.de/foto/a-small-tree-sprouts-from-the-soil-on-a-white-background-the-concept-of-development-life/1034165" target="_blank">A small tree sprouts from the soil on a white background. The concept of development, life</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@N08/48852611232/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>