Article Photos: Metro slows down rail system due to heat wave



Keiry Fuentes cools off at a fountain in Columbia Heights, Washington, D.C. Temperatures in the Washington region reached 100 degrees during the day on Tuesday, July 17, 2012. (Graeme Jennings/Examiner)

Keiry Fuentes cools off at a fountain in Columbia Heights, Washington, D.C. Temperatures in the Washington region reached 100 degrees during the day on Tuesday, July 17, 2012. (Graeme Jennings/Examiner)