Ah, yeah, I see. It's just where s/he's rounded off the glass instead of making it flat. I see what you were talking about.
Taking a look at the reference images I posted, I also thing the banister around the balcony is too tall.
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"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
"Yes."
[long pause] "Friend!!"