The United States Navy Memorial in Washington, DC. The water is colored blue to the temporary addition of chemicals the the water in order to combat algae growth. The treatment was completed by the end of the summer.
Ben Schumin is a professional photographer who captures the intricacies of daily life. This image may be used under Creative Commons Attribution-ShareAlike 2.0. Please provide artist attribution, as well as a link to the original photo and to the license terms.