[Nefliqus]

Changes to Existing Buildings & Wonders
Many Culture buildings have had the amount of base +Culture reduced, but have added slots for Great Works, that provide both Culture and Tourism. Many Gold-producing buildings have had the amount of base +Gold reduced, but provide added bonuses for Trade Routes.

Palace: 1 Great Work of Art slot
Louvre: 4 Great Work of Art slots
Great Library: 2 Great Work of Writing slots
Amphitheater: 1 Great Work of Writing slot
Museum: 2 Great Work of Art slots
Opera House: 1 Great Work of Music slot
Heroic Epic: 1 Great Work of Writing slot
National Epic: 1 Great Work of Writing slot
Sistine Chapel: 2 Great Work of Art slots
Market: Now provides a base +1 Gold (down from +2) and +25% Gold, but International Trade Routes with this city will generate an additional +2 Gold for the city owner and +1 Gold for the originator of the trade route. Still has one Merchant Specialist slot.
Eiffel Tower: Now provides +5 Happiness, +1 Culture, +2 Great Merchant Points, and +12 Tourism instead of the Happiness per Social Policy effect (which has now been moved to Prora).
Kremlin: Requires Order Ideology. +50% Production when building Armor units, 1 free Social Policy.
National Treasury: Appears to have been removed.
Theater: Appears to have been replaced by Zoo.
Mughal Fort: Now gives a Tourism bonus (instead of a Culture bonus) after researching Flight.
Terracotta Army: Creates a copy of each type of military land unit you control and places the unit near the city where the Terracotta Army is constructed.
Colossus: Gains an additional trade route slot and a Cargo Ship appears in the city. Trade routes other players make to a city with the Colossus will generate an extra 2 Gold for the city owner and the trade route owner gains an additional 1 Gold for the trade route. City must be built on the coast.
Petra: +1 Food, +1 Production for all desert tiles worked by this city (except Flood Plains). Gains an additional trade route slot and a Caravan appears in the city. +6 Culture once Archaeology is discovered. City must be built on or next to Desert.
The Forbidden Palace: Requires Patronage. Grants 2 additional Delegates in the World Congress. -10% Unhappiness from Citizens in non-occupied Cities.
United Nations: The World Congress becomes the UN, and begins the voting for Diplomatic Victory. Possession of the UN gives the owner 3 additional Delegates.

http://well-of-souls.com/...venewworld.html