Beach volleyball Horse Guards Parade stadium at the 2012 Summer Olympics.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/60179301@N00">Ben Sutherland</a> from Crystal Palace, London, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/bensutherland/7725420966/">Sit-ups in the sand</a>