In them the integral role in the evolution and the different manifestations of human intelligence and culture, must be recognized. These are signs of the mastery and communication that humans has with its environment and how it shapes its reality in its daily life.

Hands are, in fact, the primary tool with which human cultures have been transforming their environment: they are an expression of their technique, they represent their dreams and aspirations through thousand forms of art of the inhabitants of a territory. Hands not only invent, they transform reality. They imagine the reality of space, matter and time, create binding objects, give them life and tell us stories.