Routemaster RM1913 (ALD 913B) on Whitehall
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/29057345@N04">[Duncan]</a>  (original), cropped by User:Ultra7
CC BY 2.0
Crop of <a href="//commons.wikimedia.org/wiki/File:London_Buses_on_Whitehall_(13544463523).jpg" title="File:London Buses on Whitehall (13544463523).jpg">File:London Buses on Whitehall (13544463523).jpg</a>