> left no ecological footprint Well not in a sense you might think. There are few odd things: https://en.wikipedia.org/wiki/Terra_preta https://en.wikipedia.

> left no ecological footprint Well not in a sense you might think. There are few odd things: https://en.wikipedia.org/wiki/Terra_preta https://en.wikipedia.org/wiki/Terra_preta https://www.smithsonianmag.com/science-nature/pristine-untouched-amazonian-rainforest-was-actually-shaped-humans-180962378/ https://www.smithsonianmag.com/science-nature/pristine-untou...