The Heritage route 9 Routemasters.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/87347455@N00">Chris Sampson</a> (original), cropped by User:Ultra7
CC BY 2.0
Crop of <a href="//commons.wikimedia.org/wiki/File:Routemaster_RM1640_(640_DYE),_25_June_2011.jpg" title="File:Routemaster RM1640 (640 DYE), 25 June 2011.jpg">File:Routemaster RM1640 (640 DYE), 25 June 2011.jpg</a>