Spiral street fire escape

#4243693.629f21e770503# #aguirredesign# #architecture# #balcony# #bio-o-fire# #bridge# #broadcast# #cell# #closet# #Collection# #department# #element# #environment# #evacuation# #exit# #facade# #fastening# #fencing# #kit# #lattice# #metal# #parapet# #pipe# #railings# #roof# #roofing# #safety# #screen# #security# #stairs# #steps# #transitional# #vertical# #wall-mounted#