JORDAN - SEPTEMBER 01: Exclusive: Searching Petra'S Secrets. On September 1, 2004 In Petra, Jordan. Bernard Kolb Of Basel University And The Switzerland-Liechtenstein Foundation For Foreign Archaeological Research Oversees Work At Ez Zantur Near Wadi Farasa. In A Room In A 1St Century A.D. Nabataean Villa He Inventories Murals In His Sketch Book. The Murals Depict Trompe-L'Oeil Buildings. It Is The Most Significant Discovery On The Site To Date. (Photo by Francis DEMANGE/Gamma-Rapho via Getty Images)
