Ross Castle, Killarney, Co. KerryRoss Castle sits at the edge of Lough Leane in Killarney National Park, a fifteenth century tower house that has watched over this lake for more than five hundred years. The morning I made this photograph, the water was completely flat. Not a breath of wind. The castle and its wooden footbridge reflected so cleanly in the surface that you could turn the image upside down and barely tell the difference. I framed it from beneath a large moss covered