Camera Praehistorica. #2. 2020CONTENTS MATERIALS AND RESEARCHES Y.М. Svoyski, E.V. Romanenko, G.A. Khlopachev, M.E. Polkovnikova. 3D modeling in the studies of the portable art geometrical images of the Upper Paleolithic and Mesolithic of Eastern Europe 8 S. Cassen, V. Grimaud. Resolution of a sign (1). Regarding a Neolithic slab in the Petit Mont passage grave (Arzon, France) 25 I.M. Braun. The Swiss Magdalenian portable art and supra-regional parallels 42 S. Wolf, N. Ebinger, K. Wehrberger, C.-J. Kind. What the recent restoration of the Lion Man figurine of Hohlenstein-Stadel Cave tells us about its treatment in the Early Upper Palaeolithic 58 A.V. Kolesnik, A.K. Otcherednoy, K.N. Stepanova, A.Yu. Danilchenko. Primary reduction technology in the Sukhaya Mechetka site assemblage 67 N.Yu. Kuzmin. On the reliability of radiocarbon dating of burial sites of the Tagar culture 100 Ya.V. Kuzmin. Radiocarbon chronology of the paleolithic modern humans in Eastern Europe, Siberia and East Asia 122 A.V. Zubova, V.G. Moiseyev, A.M. Kulkov, A.V. Obodovskiy. Reassessment of the cranial and dental data from the Upper Paleolithic site of Kostenki 15 147 CHRONICLE A.N. Popov, A.V. Tabarev. Cronicals of “Pacific archaeology” 156 List of abbreviation 158