Grey Fox said:Pottery - Requires fresh water within city limits, produces Pottery Luxary resource. -1 Health
Jewelry - Requires Gems within city limits (make gems strategic, not luxary), creates Jewelry Luxary resource.
Steel Foundry/Factory - Requires Iron (within city limits?), produces Steel strategic resource, +25% Production, -1 Health
War Factory - Requires civilization to be in war or mobilization, increases production on military units in wartime. (+25-50%) -1 Happiness -1 Health
etc