Campanhã metro station, Porto, Portugal
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/85995602@N00">Iñaki Quenerapú</a> from Santiago de Compostela, Spain
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/quenerapu/2772675512/">El flamante metro de Porto</a>