Tassili-n-Ajjer, Central Sahara (Algeria), November-December 
                    1981.
 Algero-Polish archaeological survey. Sefar Massif.
 The 
                    expedition team at the evening fire.
 First from the left: 
                    Lech Krzyżaniak, Ph.D;
 in the second row, from the left: Andrzej 
                    Prinke Ph.D. (Poznań Archaeological Museum),
 Jerzy Nowakowski 
                    MA (National Museum, Poznań).
Photo: Jerzy Nowakowski