- Fire system values. Almost every commercial building has them. They are usually tucked away in corner and most people never notice them. This is just one small valve of several that feed the sprinkler system at work. Canon G11, 1/25 sec @ f/3.5, ISO 200.
From 365 Project The Air Force Memorial in glows against low hanging clouds and mist. Located on a promontory in Arlington, Virginia, overlooking the Pentagon and adjacent to Arlington Cemetery, the memorial's three 270 feet tall stainless arcs evoke the spirit of flight. Taken with a Canon 40D, 5.0s exposure at f/8.0, ISO 200, 28mm equivalent focal length, mounted on a tripod.