And to prove. Such phenomenon Caused by the illusion of height is meter, because the hills are a range of lower-level up hill so it back according to the gravity of the Earth.
And proven Such a phenomenon Illusion caused The measure The height of the hill to the lower level is way up the hill. So the car went backwards by the force of gravity.
And the proof of such phenomenon caused by an illusion, because the height of hill have lower level range is up the hills. So the car is back by gravity of the earth.