Cannons in the port of Essaouira in Morocco; most were purchased from Spain (Seville and Barcelona according to text on the cannons) and also The Netherlands.
<a href="//commons.wikimedia.org/wiki/User:Enzik" class="mw-redirect" title="User:Enzik">Pawel Ryszawa</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>