Tassili-n-Ajjer, Central Sahara (Algeria), November-December 1981.
Algero-Polish archaeological survey. Sefar Massif.
The expedition team.
Fourth from the left: Lech Krzyżaniak, Ph.D.
From the right: Jerzy Nowakowski MA (National Museum, Poznań),
Andrzej Prinke Ph.D. (Poznań Archaeological Museum).
Photo: Jerzy Nowakowski