WASHINGTON, DC- July 16: Metro contract workers, (L-R) Chris Remsburg and Chad Livingston, replace bull and ring gears, as well as ball bearings, at the Gallery Place Metro Station, Friday July 16, 2010. The repairs are a part of an area wide Metro project to maintain and upgrade escalators throughout the system. (Melina Mara/The Washington Post) StaffPhoto imported to Merlin on Fri Jul 16 15:45:04 2010