Kadero (The Sudan). Polish archaeological excavations, December 1999.
From the left: (3) Prof. Lech Krzyżaniak;
(4) Przemysław Bobrowski, MA (Institute of Archaeology and Ethnology,
Polish Academy of Sciences - Poznań Branch);
(5) Prof. Maria Kaczmarek (Institute of Antropology, Adam Mickiewicz University in Poznań);
(6) Prof. Michał Kobusiewicz Ph.D. (head of the Department of Archaeology of Greater Poland
and Pomerania in Poznań, Institute of History of Material Culture, Polish Academy of Sciences);
(7) Lucyna Kubiak-Martens, Ph.D. (paleobotanist; BIAX, Amsterdam).