Tassili-n-Ajjer, Central Sahara (Algeria), November-December 1981.
Algero-Polish archaeological survey.
The caravan halts on its way to the Sefar Massif.
From the right: Andrzej Prinke, Ph.D. and Lech Krzyżaniak, Ph.D.
(Poznan Archaeological Museum).
Photo: Jerzy Nowakowski