This is an interesting city... The houses are builded in the mountains-so you can see the door and maybe a small top (Dach) in front of the door and that was, the rest is in the rock/stone. The stone keeps the heat outside if it is too hot and it keeps the warmth in it while it is cold outside. This nights it was cold and the nights before as well so we decided to stay underground and not in the car. It was good (warmer than in the car) but it was more noisy. I will show you pictures of it later, that will explain why it was more noisy.