This is not a natural landscape. You don’t get fields of grass like this without human intervention. This started in the bronze age, so just because your local human-made landscape is green, make no mistakes.

Bit by-the-by, though, because obviously computers are completely awesome, but real nature is not this placid homogeneous scene

Organized rocks

By harnessing that thing which is all over this natural place - electromagnetism. It is a quantum leap in the human experience, like harnessing fire, or agriculture.

Multiple people, not only 1

You clearly have never played minecraft. Go touch some square grass!