Excavations in Yemen have pointed out that more than 2000 years ago Yemen houses resembled present-day Sana'a dwellings. At Shabwa French archeologists discovered multi-floors, high palaces and dwellings consisting of more than 8 layers from the 3d century before Christ. Azal or Uzal is the old name for Sana'a and is mentioned in the book Genesis of the Old Testament. Of course one cannot determine whether Uzal really has founded the town Sana'a. On the other hand Sana'a is one of Arabia's oldest towns. Until now no archeological research has been executed within the walls of the town. Sana'a always was a trade centre and till the year of the revolution (1962) three quarter of Sana'a's active population has been employed at the market. T...