A five-hour trek on foot was also necessary to reach the site.
Fish, lizards, and porcupines are recognizable to the modern viewer.
The area also boasts extinct prehistoric creatures such aspalaeolama, mastodons, and giant sloths.
Photo: Marie-Claire Thomas/Wild Blue Media/Channel 4
These creatures roamed a savanna and scrub brush landscape which was quite different from the modern rainforest.
In the ancient artwork, prehistoric humans are also depicted.
They dance, wear masks, and hunt.
Researchers studying the paintings can only guess at the significance of certain scenes at present.
Among the behaviors depicted is a curious one: humans suspended or jumping from wooden towers.
The cliff art preserves a world which was in environmental flux.
Shesays, One of the most fascinating things was seeing ice age megafauna because thats a marker of time.
I dont think people realize that the Amazon has shifted in the way it looks.
It hasnt always been this rainforest.
