The entire square is full of people assembling for the Women's March.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/8176740@N05">Garry Knight</a> from London, England
2017-01-21 19:29
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/garryknight/32066507470/">Grosvenor Square Full</a>