Tower of the "Castillo de La Luz", defensive construction from where tubes against the pirate and naval incursions went off that tried to sack the city of Las Palmas de Gran Canaria (Gran Canaria, Canary Islands. Spain)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/74938695@N00">Manuel</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/74938695@N00/682931292/">Castillo de la luz</a>