Soba (The Sudan), December 2001. Archaeological 
                    survey.
 From the left: (1) Prof. Michał Kobusiewicz (Institute 
                    of Archaeology and Ethnology,
 Polish Academy of Sciences - 
                    head of the Poznań Department); 
(2) Maciej Jórdeczka, MA (Institute 
                    of Archaeology and Ethnology,
 Polish Academy of Sciences, 
                    Poznań Department);
 (3) Przemysław Bobrowski, MA (Institute 
                    of Archaeology and Ethnology,
 Polish Academy of Sciences, 
                    Poznań Department); 
(4) Prof. Lech Krzyżaniak; 
(5) Abdelhai 
                    Abdelsawi, MA (geologist at the National Corporation
 for Antiquities 
                    and Museums in Khartoum);
 (6) Prof. Maria Kaczmarek (Institute 
                    of Anthropology, Adam Mickiewicz University in Poznań).