A half open top tour bus of <a href="https://en.wikipedia.org/wiki/Lothian_Buses" class="extiw" title="w:Lothian Buses">Lothian Buses</a>, a Mac Tours liveried <a href="https://en.wikipedia.org/wiki/Routemaster" class="extiw" title="w:Routemaster">Routemaster</a> double-decker.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/8637262@N02">mark.watmough</a> (original)
CC BY 2.0
Crop of <a href="//commons.wikimedia.org/wiki/File:Lothian_Buses_Mac_Tours_bus_front.jpg" class="mw-redirect" title="File:Lothian Buses Mac Tours bus front.jpg">File:Lothian Buses Mac Tours bus front.jpg</a>