The Illuminati chairs are different
In the beginning, there are two "large" chairs side by side. But then at the end, when Lara is asking "yes, but who...sits...here?" Pointing to a single large chair surrounded by smaller ones, indicating just one head. I've watched this a few times to make sure and yep, it does change. There really are two large chairs in the very beginning. What's up with this?
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Sic vis pacem para bellum.