datation (1) Afrique (1) Dating (1) Antiquities, Prehistoric (1) World Wide Web (1) Visualization (1) Stairs (1) South Africa (1) Sand dunes (1) Prehistoric peoples (1) Excavation (1) Eggshells (1) Archaeology (1) Excavación (1) Arqueología (1) World Wide Web (Sistema de recuperación de la información) (1) Archéologie (1) Internet (1) Web (1) Archéologie (1) Visualisation (1) Dunes (1) Excavation (1) fouille (1) Paléolithique moyen (1)