A nice change to get a double decker on the 50 although I think this is an extra journey where they may be used more often. I will havew to keep an eye open for more!
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/13232346@N00">Graham Richardson</a> from Plymouth, England
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/didbygraham/1398462128/">Plymouth Citybus 173 G643CHF</a>