Canal Locks

Canal Locks Faction All Obtained Research Era II Type Unique Building Focus Industry Effects: +5 per on city Can only be built once in your empire Costs: Production 600 Resource 5 Upkeep 4 per turn

A city improvement obtained from the Hydrology technology in Research Era II. Can only be built once in your empire, and cannot be rebuilt if destroyed.

Lore

Though the engineering and construction is difficult, the creation of a series of locks for shipping improves transfer of goods via the canals, even if they must go uphill.