Europa Batteries - Credit: Wikimedia Commons
The Europa Batteries are a group of artillery batteries in the British Overseas Territory of Gibraltar. Facing the North African coast, they are the most southerly batteries in Gibraltar and were built to cover ships approaching from the Mediterranean Sea. They run along the fortified clifftops of Europa Point from Camp Bay on the west side of the Rock of Gibraltar to the Europa Advance Batteries on the east side. Read more on Wikipedia
Source: en.wikipedia.org