This is low-level programming, energy efficiency, geometry and Darwin.

People (humans) always seem take the shortest route. The gain in this particular location? It must be less than 2 metric meters (I probably could, if I remembered it correctly – use Pythagoras to calculate the distance more precisely)?

– What on Earth are you talking about?

Please pay attention to the non-existing grass, the cone in the back of the picture and where the pavement is actually located, never mind the many objects (cigarette stubs) in the front left corner of the picture.

It is humanity. Funny. And it is in fact the shorter route according to Pythagoras…