This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
blackandwhite monochrome outdoor black and white LCDIGHEC U.S. Naval Gun Factory Washington Navy Yard Washington D.C. Cannon and targets on the lawn before Building No. now Commandant of the Washington Navy Yard Headquarters. Photographed by Harris ampamp Ewing . LCDIGHEC U.S. Naval Gun Factory Washington Navy Yard Washington