The rabbit living in moon

It is said in Japan that the rabbit is pounding stearmed rice to rice cake in moon, because the black somthing in moon looks like the this rabbit. The professer of Hiroshima university said the black like rabbit started to make is 4 hundreds million years ago. We don't know that the human watch the balack place of the moon as rabbit in the old day. But we watch same moon with them. I think this is remarkable and move the mind. The earth is changing but there are not changing.