City Centers and Warehouses have a 10% dropoff bonus for Stone
Markets have 20% more health
When you build a wonder you instantly receive the total number of tech points it would cost to research all the required technologies in your current epoch and advance into the next epoch
Middle-Eastern Region Powers[]
Supreme Effort (Epochs 1 – 5): Your citizens' construction speed is increased by 100% for the duration of the power.
Lost City (Epochs 6 – 10): All units and buildings within the limits of all player-owned City Centers become cloaked, invisible to all enemy units (including Spies and Outposts). Any of the player's units entering the affected city limits become invisible.
Black Market (Epochs 11 – 15): You receive a percentage of all market sales and trade route revenue generated by all markets and docks in the world for the duration of the power.