house-of-thought:Mada’in Saleh - Modern Saudi Arabia - built between 100 BC - 100 ADBuilt by the Nabataean Kingdom prior to Roman annexation, these series of tombs were abandoned by the time Islam became predominant in the region.

house-of-thought:\n\nMada’in Saleh - Modern Saudi Arabia - built between 100 BC - 100 AD\nBuilt by the Nabataean Kingdom prior to Roman annexation, these series of tombs were abandoned by the time Islam became predominant in the region.\n 

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