Eagle Island Lighthouse, Co. MayoFour kilometres off the Mullet Peninsula, sitting out in some of the roughest water in Ireland. I made this photograph from the Irish Lights helicopter during a visit to the station, and from the air Eagle Island looks almost delicate. A small rocky platform, a white tower, foam churning around its base. Don't be fooled. On the ground, there's a wall running alongside the walkway from the helipad up to the lighthouse compound. Flagstones laid along