The Fortaleza de Sao Miguel (1576) watches over the south end of the bay at Luanda, Angola.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/79721788@N00">David Stanley</a> from Nanaimo, Canada
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/davidstanleytravel/19851823958/">Luanda Skyline</a>