Treasures Decoded

Riddle of Petra (4x2)

:

The ancient city of Petra, hidden in the barren desert of southern Jordan, has captured the global imagination. Its breath-taking ruins spread over one square mile with temples, a great theatre and hundreds of tombs half built and half sculpted straight from the desert's rocky cliffs. But Petra also holds a mystery that has long puzzled historians: What could have led such a grand and elaborate city to be abandoned?