Flying above fog sea

Flying above fog sea: Aerial view of flying over the fog sea. Air field Triengen was covered by a thick layer of clouds. We flew underneath it until we found a blue hole above Lake Sempach and then climbed above the clouds. Nikon D200, 1/320 s, F/9.0, 28 mm, ISO 200, Sunday, January 4, 2009 12:00:36