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PETRA: Restoration in the Desert:

Repair Work among the Monuments of Petra, in Jordan The Illustrated London News, March 31, 1962, Page 502/503 Archeological Section no 2085 Used by permission In a poor country with a rich past, like …

Sa'ada:

Located in the north of present day Yemen this ancient walled city is still inhabited. The city is built completely from free-formed mud.