Foto: "<a href="https://www.ccby.de/foto/front-part-of-a-locomotive/1017348" target="_blank">Front part of a Locomotive</a>" von <a href="https://www.ccby.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://www.ccby.de" target="_blank">ccby.de</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>