Photo of the Day 207

Cars Passing the Colosseum, Rome, Italy, 1981

Photograph by O. Louis Mazzatenta

Nearly 2,000 years ago, the Colosseum was built to host gladiator duels, battle reenactments, and other public spectacles. Now, the 50,000-seat stone-and-concrete amphitheater serves Rome in another capacity: as a traffic circle.

(Photo shot on assignment for, but not published in, "Down the Ancient Appian Way," June 1981, National Geographic magazine)