A caveman drawing of the round earth floating in space on a cave wall. The cave is dimly lit but the drawings are clearly visible.
A caveman drawing of the round earth floating in space on a cave wall. The cave is dimly lit but the drawings are clearly visible.
A caveman drawing of the round earth floating in space on a cave wall. The cave is dimly lit but the drawings are clearly visible.
an illustration of a caveman standing in front of the moon
a black and white image of a person sitting in a cave
a drawing of a caveman with a knife in front of a moon
an illustration of a person standing in a hole