Arriva London bus HV129 (LJ13 FEO) &amp; Heritage Routemaster RM1913 (ALD 913B) on Whitehall. They're at the top end, facing north, about to enter the Charing Cross roundabout.
<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/duncanh1/13544463523/">London Buses on Whitehall</a>