Wonders of the ancient world

Colossus

Prerequisite: Bronze working
Cost: 200 Shields

Effect: City where Colossus is built generates
an extra unit of trade in every square that is
already producing trade.

Expires: Discovery of Flight

Great Library

Prerequisite: Literacy
Cost: 300 Shields

Effect: Civilization automatically receives
any advance discovered by two other
civilizations.

Expires: Discovery of Electricity

The Great Wall

Prerequisite: Masonry
Cost: 300 Shields

Effect: Acts as city wall in all friendly cities.
Doubles attack atrength vs Barbarians. Enemy
civilizations are forced to offer cease fire or peace.

Expires: Discovery of Metallurgy

Hanging gardens

Prerequisite: Pottery
Cost: 200 Shields

Effect: Makes 3 content citizens happy in city
where it's built, and one content citizen happy in
all other friendly sities.

Expires: Discovery of Railroad.

The Lighthouse

Prerequisite: Map making.
Cost: 200 Shields

Effect: Trirenes lose chance of being lost at sea.
All other ships have their movements increased by one.
All new ships receive veteran status.

Expires: Discovery of Magnetism.

Oracle

Prerequisite: Mysticism.
Cost: 300 Shields

Effect: Doubles effectiveness of temples.

Expires: Discovery of Theology.

Pyramids

Prerequisite: Masonry.
Cost: 200 Shields

Effect: Counts as a granary in every city.

Expires: Never.

Ancient World Renaissance Industrial Age Modern Age

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