It doesn’t. You can see a sliver of the next unit over in the first pic if that’s what you are referring to.
Wait a minute, you said everything I was seeing in your #1 pic was all one single residence.
Now we find out it’s two residences? One mans wall is another man’s bedroom, one man’s floor is another man’s ceiling.
Like I said, they’re all very similar to apartments or civilian barracks, with nice facades. You made my point better than I.