Great hall of Porto São Bento train station, Porto, Portugal
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/48741286@N00">Philip Sheldrake</a> from London, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/philip_sheldrake/31966011633/">DSCF4347</a>