Staircase in Jewish Museum, Berlin
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/96346885@N04">a.canvas.of.light</a> from Melbourne, Australia
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jhlau/33902546238/">Shadows</a>