Making money is important, because it gave you confidence and help you decide better. One of the money making fields that during last decades absorb millions of Dollar and unique collections paid well for it, is "Art of Zoo". The thing known as a science of ancient painting and art about how human used animals for food and doing work.
Today, there are researchers and scientist work on the "Art of Zoo" to extract DNA from ancient paintings on the cave's wall or creating a 3d model of life in ancient history, the thing that helped us achieving new resources, new evidence and finding variety of animals in the history.
Today, ArtofZoo researchers are making millions of Dollar to sell there discoveries to the museum, private collections and governments.