Konstanz - im Münster (8/2011)
<a rel="nofollow" class="external text" href="https://web.archive.org/web/20161023173020/http://www.panoramio.com/user/3025475?with_photo_id=57606913">Martin Haeusler</a>
CC BY-SA 3.0
<a rel="nofollow" class="external free" href="https://web.archive.org/web/20161023173018/http://www.panoramio.com/photo/57606913">https://web.archive.org/web/20161023173018/http://www.panoramio.com/photo/57606913</a>