Prof. Mortel: Camel transport, central Saudi Arabia (2)
Prof. Mortel: Camel transport, central Saudi Arabia (3)
Prof. Mortel: Camel transport, central Saudi Arabia (1)
Prof. Mortel: Camels on the road to Ushaigar, Najd, Saudi Arabia (3)
Prof. Mortel: Camels on the road to Ushaigar, Najd, Saudi Arabia (6)
Prof. Mortel: Camels on the road to Ushaigar, Najd, Saudi Arabia (7)
Prof. Mortel: Camels on the road to Ushaigar, Najd, Saudi Arabia (8)
Prof. Mortel: Camels on the road to Ushaigar, Najd, Saudi Arabia (9)
Prof. Mortel: Camels on the road to Ushaigar, Najd, Saudi Arabia (1)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (2)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (3)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (4)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (5)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (6)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (7)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (8)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (9)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (10)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (11)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (12)
Prof. Mortel: Sandy desert near al-Qasab, Najd, Saudi Arabia (3)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (13)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (14)
Prof. Mortel: Camels in the desert, Central Saudi Arabia (1)
Prof. Mortel: Desert sands, central Saudi Arabia (2)
Prof. Mortel: Desert sands, central Saudi Arabia (3)
Prof. Mortel: Desert sands, central Saudi Arabia (4)
Prof. Mortel: Desert sands, central Saudi Arabia (5)
Prof. Mortel: Desert sands, central Saudi Arabia (6)
Prof. Mortel: Desert sands with tracks of local fauna, central Saudi Arabia (2)