The photo was taken by wikipedia user:Cheezexyz in Guangzhou on 25/7/2010 during the students protest.
wikipedia user:Cheezexyz
2010-07-27
<a class="external free" href="https://en.wikipedia.org/wiki/File:Cantoprotest3.jpg">http://en.wikipedia.org/wiki/File:Cantoprotest3.jpg</a>