Ever wonder about really old places and really dead people? Sumer, of course, was built in the sixth century BCE, about 55 miles south of present day Baghdad. The Zapotec people in Mexico were the first to cultivate corn and tomatoes in 6700 BCE. Norte Chico people in Peru were the first to cultivate cotton in 4200 BCE. The largest pyramid ever built, the Great Pyramid of Cholula in Mexico, was built at the same time as the Great Pyramid of Giza, Egypt.

So I put it to you, why are rock carvings of really dead people in really old places wearing helmets? Riding motorcycles? I don't think so!