This photo was taken by David Drascic on 3 Nov 2005.  According to the CBC "Doc Zone" episode "Superstitious Minds", first broadcast on 30 Oct 2014, these cannons atop the HSBC Building in Hong Kong were installed to balance the bad feng shui of the knife shape of the nearby Bank of China building!  <a rel="nofollow" class="external free" href="http://www.cbc.ca/doczone/episodes/superstitious-minds">http://www.cbc.ca/doczone/episodes/superstitious-minds</a>
<a href="//commons.wikimedia.org/w/index.php?title=User:MisterSpike&amp;action=edit&amp;redlink=1" class="new" title="User:MisterSpike (page does not exist)">David Drascic</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>