100 Ideas That Changed Architecture

In chapter 8(stair case) what it talks about is the function of stairs and how they can be make out off. In 1888 Gottfried Semper included  no less than seven enclosed fire protected stairs are still central to orches trating movement through many public building like theaters and halls. I think stairs are important and elegant sometimes to houses or other things that are more than one floor. And they are also helpful and they have a meaning like if you go upstairs means like if you are going to heaven and like if you have staiirs in like a garage then it means like your walking to hell.