Report The Turakian Age is Seriously Underrated in Fantasy Hero Posted March 28 8 hours ago, Old Man said: To be fair, sometimes cities exist for inexplicable or ridiculous reasons. Las Vegas is squarely in the middle of the desert, thirty miles from the river. No one knows for sure why the ancient Pueblo built a city into a cliff. I believe the current assumption is that the Anasazi built their cliff dwellings for protection from other people who might raid them. Having been to many of these sites, they are almost always near a relatively reliable water source and there are places to farm nearby. The Chaco Canyon site was near a small river. There is still an underground stream of some kind because there are cottonwood trees growing in and around the old riverbed. There is almost always a good reason why people settle in a place. Las Vegas was along a trade route.