Inside of the new boulder arena at DAV Heilbronn. See <a rel="nofollow" class="external free" href="https://www.dav-heilbronn.de/de/aktiv/klettern/kletterarena.html">https://www.dav-heilbronn.de/de/aktiv/klettern/kletterarena.html</a>
<a href="//commons.wikimedia.org/wiki/User:Carstenhag" title="User:Carstenhag">Carsten Hagemann</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>