Are you sure this is what is meant? I can't recall anything about the windows being opaque. I was under the impression that the "curtain of glass" referred to the walls of the modern buildings surrounding and towering over the hotel.
Note to all: I don't participate in the forums here unless something much more important than TV Tropes content is at stake.
"the windows have gone opaque with age."
Are you sure this is what is meant? I can't recall anything about the windows being opaque. I was under the impression that the "curtain of glass" referred to the walls of the modern buildings surrounding and towering over the hotel.
Note to all: I don't participate in the forums here unless something much more important than TV Tropes content is at stake.