<p>Over the bridge and on to Gaia.
</p>
A Metro do Porto train from the Hospital de São João to Santo Ovidio travelling along the the centre of the upper deck of Ponte de Dom Luíz I, the pedestrian walkways are at both edges.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/10164913@N02">Gerry Labrijn</a> from London, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/10164913@N02/15089284773/">2014-P113 Porto</a>