Area of the IVth Nile cataract (The Sudan), 2003. Archaeological survey.
From the left: Karla Kroeper, Ph.D., (privately: Prof. Krzyżaniak's wife;
Ägyptisches Museum in Berlin), Prof. Lech Krzyżaniak
and Prof. Michał Kobusiewicz
(Institute of Archaeology and Ethnology, Polish Academy of Sciences - Poznań Branch).