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early morning panorama, Sligo Harbour
Sligo Airport runway visible on left; ancient 'ring fort' in the middle of photo, believed to be built to protect livestock against wolves, defense, shelter, and possibly for reasons of Pagan custom. There are many ring forts in this area and some new ones are still being discovered around Ireland, while others have been inadvertently destroyed.
Timur Haracic has particularly liked this photo