Rock art explored by archaeologists in the Colombian Amazon has provided an insight into the complex relationship between the earliest settlers on the continent and the animals they encountered.

"The skin of the tusked animal is dotted," writes Benoit, "which is not unusual in San rock art, but is also consistent with ...

Kaolin and animal fat and crushed bones were found used in general as a binding material that made the pigment last for thousands of years. The rock art painting site was found to be dated back to ...