Insulation and decoration.
Pardon the late reply, but what would the walls themselves be made of? They almost look like layered cardboard there. Or maybe sheet metal.
Cardboard as a kind of drywall was sometimes used under the papers, but wood for the structure itself.
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Pardon the late reply, but what would the walls themselves be made of? They almost look like layered cardboard there. Or maybe sheet metal.
Cardboard as a kind of drywall was sometimes used under the papers, but wood for the structure itself.