Have a look around the Batería de Castillitos, Cartagena, an historic site where soldiers used to keep watch, now a tourist attraction, high in the hills of Cartagena.
You can still see much of the legacy left behind as you walk through the area and imagine a time, not too long ago, when soldiers feared for their lives, and the lives of others, putting themselves on the frontline of defence.
Click the image and drag around for the virtualtour. If you see a purple sun, click to go to the next area. You can also view in fullscreen.