Japanese cannon in Clover Garden, Nagasaki, Japan. This cannon is from the Takashima School, and is said to have been built by Shoho Takashima during the Tokugawa shogunate.
<a href="//commons.wikimedia.org/wiki/User:Chris_73" title="User:Chris 73">Chris 73</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>