Bill Cosby performs his stand-up special, Far From Finished. The actor and comedian has been working in show business for 50 years. Erinn Chalene Cosby/Comedy Central hide caption

itoggle caption Erinn Chalene Cosby/Comedy Central

Becca Bullard commutes every day from Arlington, Va., via Metro's Virginia Square station to her work in downtown Washington, D.C. Her commute to work begins around 9 a.m. (left), and she arrives home around 6:30 p.m. (right). Courtesy of Becca Bullard hide caption

itoggle caption Courtesy of Becca Bullard