Over the past six months, the headlines from Aleppo, Syria, have been horrifying. As the conflict between rebel forces and the government continues, the city has been overrun by tanks and artillery, and assaulted by shots, explosions and fires.
But Aleppo's present belies a much richer past. It's Syria's largest city, and one of the world's oldest continually inhabited urban areas. Over the centuries, it has served as a major crossroads for trade and commerce.