Pict  Building  Description  Req. Science  Pyramids  Building it in any city will put granary in all cities that player has. Also food production in lands of that city increases by one which has at least two productions.  Stonework  Hanging Gardens  Increases the rate of a city's growth by adding one mroe pop-box per turn. Additionally the increases the happiness of the city it gets built in.  Agriculture  Colesseum  All soldiers produced in the city which has this building, initially have one point of experience. This makes them better at both attacking and defending.  Warrior Code  Colossus  Doubles the income from tax in the city you build it in. Also all ships become faster by having one more cell moving ability when the Colossus is built.  Broze Metallurgy  Hagia Sophia  Increases effects of all temples that your cities have by 50%. So both happiness and science increases in your cities which have a temple.  Monotheism  Great Observatory  This building allows your scientists a good environment for making researches, it increases the scientific research in its city by 2 per turn.  Astronomy