Updated 24 March 2016
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A JOURNEY INTO THE PAST: A concrete road slices through the ancient city of Al-Ula, just 20 km from Madain Saleh in western Saudi Arabia. Al-Ula’s abandoned city stands side by side with the modern city. (Photo by Arab News reader Eduardo Benavidez)

A JOURNEY INTO THE PAST: A concrete road slices through the ancient city of Al-Ula, just 20 km from Madain Saleh in western Saudi Arabia. Al-Ula’s abandoned city stands side by side with the modern city. (Photo by Arab News reader Eduardo Benavidez)