Natural materials would be the best answer I think because prehistoric societies didn’t have much to work with so it had to be natural
The orthogonal lines in the work merge at the vanishing point. In a perspective drawing, the artist uses parallel diagonal lines which meet and diminish to a vanishing point. These lines are called orthogonal and create the perspective and a more realistic view. The vanishing point offers the painting a three-dimensional look.
Answer:
El arte cinético es una corriente de arte en que las obras tienen movimiento o parecen tenerlo. Es una tendencia de las pinturas y las esculturas contemporáneas creadas para producir una impresión de movimiento. El arte cinético y el arte óptico son corrientes artísticas basadas en la estética del movimiento.
You can use this to help! Good luck :)