You people and your lack of appreciation for history. We stopped living in caves thousands of years ago! In fact, Uruk was one of the first great cities, even if it's not anything like the cities you know.

[ All stone and wood, before the invention of steel or concrete, with everyone living close to the ground. But his was also a world and time of magic and miracles, and seeing something wondrous happen was also not too far out of the ordinary especially for heroes and kings like Gil himself. ]