So i'm trying to get the achievement "Pyramid Scheme" (Playing as France, get the Louvre to the maximum theming bonus of 16.).
I have built the louvre in Paris.
I got:
Chalice/Assyria/Medieval
Amulet/Morocco/Classical
Giant magnolias on a blue velvet cloth/Poland/Renaissance
Girl with a pearl earring/Ottomans/Industrial
Still only got a +8 bonus. Does anyone know what is wrong?