Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (2)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (3)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (4)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (5)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (6)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (7)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (8)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (9)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (10)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (11)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (12)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (13)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (14)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (15)
Prof. Mortel:
Old town of al-Qasab, central Saudi Arabia (1)