Chain marker B2 190+00, in the short tunnel between Brookland-CUA and Rhode Island Avenue-Brentwood stations on the Red Line of the Washington Metro, direction of Shady Grove. The number indicates the distance in feet from the center of the platform at Metro Center station.
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.