I have no idea what it was like to live there, but did visit circa-late-90s. Remember noticing that "walls" in Caracas meant 10' high concrete or brick, topped

I have no idea what it was like to live there, but did visit circa-late-90s. Remember noticing that "walls" in Caracas meant 10' high concrete or brick, topped by glass shards or razor wire. And there were walls around everything: university professors' homes, social clubs, etc.