This Month in Photo of the Day: Your Photos

Silhouetted against the headlights of their engine, firemen attempt to put out a blaze caused by a gigantic natural gas line explosion near San Francisco in September 2010. The fire destroyed 37 homes and resulted in seven fatalities.

(This photo and caption were submitted to the 2010 National Geographic Photography Contest.)

See more photos, download wallpaper, and solve puzzles from the contest.