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Parthia Construction Tier 4

Strengthened Walls

A city’s walls were far more than a boundary to enclose a settlement: they protected those within from would-be aggressors. Defensive walls were first seen in Mesopotamia around 3000BC, when inter-city conflict increased the need for protection. Walls were seen as iconic structures directly linked to the power of the city’s god. They were often vast and complex structures. The walls of Babylon boasted a corridor-like chamber, separated by over 100 bronze gates, which ran its entire length and was wide enough to give passage to a four-horse chariot.

Node Set Construction Tier 4

research_points 1300

cost_per_round 0

Effects

• -5% building construction costs (all regions)
• +5% wealth from industry (all regions)

Requires
Requires Technologies	Qanat

Enables
Enables Technologies	Improved Material Transportation
Enables Buildings	Fountain