Area of the IVth Nile cataract (The Sudan), 2003. Archaeological survey.
From the left: Maciej Jórdeczka MA
(Institute of Archaeology and Ethnology, Polish Academy of Sciences - Poznań Branch),
Prof. Lech Krzyżaniak, Prof. Michał Kobusiewicz
(Institute of Archaeology and Ethnology, Polish Academy of Sciences - Poznań Branch).