Constantin brancusi gives us an example of how sculpture

Romanian artist Constatin Brancusi redefined the concept of sculpture for his modern and future generations of artist by creating a six-foot-tall sculpture called Bird in Space. This sculpture has more than 30 different versions in various proportions and different materials.

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.