The view commanded by one of two 6 inch BL (breech loading) disappearing guns (lower left) emplaced at Lei Yue Mun Fort.  The fort now forms a large part of the Hong Kong Museum of Coastal Defence.
<a href="//commons.wikimedia.org/wiki/User:BrokenSphere" title="User:BrokenSphere">BrokenSphere</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>