Surely one of the best cities for quality grafitti<br>Grafitti
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/95172615@N00">Andy Wright</a> from Sheffield, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/95172615@N00/4309477">Flickr</a>