steel beams are sru bt it's the contents, the stuff inside, that will hurt you. outside, steel going up, structural part. in this you can see if you take a look at it, they have the non-structural which is the brownish orangish area. that would be your dropped ceilings, your light fixtures, your hvac system. in this particular case, the alcoa building, the structural members are on the outside of the building. so you can see it right away. what's the danger with this building? glass. good. glass. so you have your typical office. what are some of the hazards here? remember, earthquake island, what are some of the hazards? the lights, glass windows, yeah, glass we already talked about, the bad things. how about all the book stuff? building is still standing but everything else will fall right on top of you. bookcases, you want to secure those; right? this is what's going it happen. if you as nerts you went in there and got a report that there may be people trapped, where would you start looking for them? upper floors and void spaces. again, we talked about glass. a