At St Paul's Cathedral, London.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/29057345@N04">Duncan Harris</a> from Nottingham, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/duncanh1/7446266174/">St Paul's Roses</a>