Walking paper of Markstraße in Giengen an der Brenz (Germany) at a Mapping party of the Margarete-Steiff-Gymnasium; Map: Copyright by OpenStreetMap contributors, Map licence: CC-BY-SA, Data licence: ODbL
<a href="//commons.wikimedia.org/wiki/User:Kdkeller" title="User:Kdkeller">Klaus-Dieter Keller</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>