
Malfunction at Dupont Circle: Metro passengers were forced to alight this train when it malfunctioned and move to the inbound platform at Dupont Circle. (FredoAlvarez/flickr)

Hanging In the Bowl: A worker’s platform hangs inside the north entrance of the Dupont Circle Metro. Locals affectionately call it "the bowl," as it appears you’re descending into one when you take the escalator. (FredoAlvarez/flickr)