<p>D Stock District line trains at Mansion House station - this was filmed through an open doorway from inside a train using the now removed reversing bay - the rubber edges of the door frame can be seen at the far left and far right edges of this image.
</p>
Still image from HD video
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/47739225@N08">citytransportinfo</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/citytransportinfo/51007267677/">D-MansionHse-2014-2</a>