Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (2)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (3)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (4)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (5)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (6)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (7)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (8)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (9)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (10)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (11)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (12)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (13)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (14)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (15)
Prof. Mortel: Inside a traditional mud tower house in Najran, Saudi Arabia
Prof. Mortel: Inside a traditional mud tower house in Najran, Saudi Arabia (2)
Prof. Mortel: Inside a traditional mud tower house in Najran, Saudi Arabia (3)
Prof. Mortel: Inside a traditional mud tower house in Najran, Saudi Arabia (4)
Prof. Mortel: Inside a traditional mud tower house in Najran, Saudi Arabia (5)
Prof. Mortel: Inside a traditional mud tower house in Najran, Saudi Arabia (6)
Prof. Mortel: Inside a traditional mud tower house in Najran, Saudi Arabia (1)
Prof. Mortel: On the roof of a traditional mud tower house in Najran, Saudi Arabia (2)
Prof. Mortel: On the roof of a traditional mud tower house in Najran, Saudi Arabia (1)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (16)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (17)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (18)
Prof. Mortel: Traditional mud architecture of Najran, Saudi Arabia (1)