This series articulates in a schematic manner the essential moments in the evolution of human cognitive capacities; or his fundamental aptitudes such as abstraction, language and the creation of culture. The visual elements refer to essential notions that arise over the course of this narrative. The first image of the series depicts the moment when a human being enters a territory and appropriates it. He is perceived in a thinking position meditating in order to have an effect on the environment. This image is composed of two visual elements that refer to the key concepts of «common ancestor» and «territory».