This woman from Cuzco explains very clearly the whole process of wool, from its cutting, through spinning and dyeing. He tells us all the tips and curiosities of this work.
It surprises us, for example, with a root with which they make a natural detergent to wash wool, which they can then use as fertilizer for plants.
It also tells us about all the colors that can be obtained from nature for dyeing wool.
This is sustainability.