Harrow-on-the-Hill station, 26 May 2013; part of the Underground's 150th anniversary celebrations.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/29057345@N04">[Duncan]</a> from Nottingham, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/duncanh1/8857931600/">Steam at Harrow-on-the-Hill</a>