Hot take: I'd pay at least $10 to resurrect Civ III mechanics like leader outfit changes, palace building and world map and tech trading in Civ 7 : r/ civ
Free Palace Jump - CivFanatics
Gucci and Palace Collaborate on Logo-heavy Collection for Gucci Vault – WWD
Civilization III: Info Center - CivFanatics
Buttercup's Guide to Palace Building for Civilisation 3 Complete | CivFanatics Forums