Gypsy Wanderer Husky
They also have to look into at some point being able to escape as well. Likely with out elevators, which gives stairs one option as well as balconies if your on a lower level. Protection wise if your able yes like Freedom said you need to secure the apt under you and above you. If your apt balcony joins to another off your right or left these will need to be secured as well.
Prepare for the unknown by studying how others in the past have coped with the unforeseeable and the unpredictable.
George S. Patton