Cumberland Valley Railroad Bridge
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/36461049@N00">David Flores</a> from Harrisburg, US
CC BY 2.0
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/magdav/719845807/">https://www.flickr.com/photos/magdav/719845807/</a>