Work in Progress: The Knights Templar and House of Lancaster civilizations aren't fully updated and miss stats, abilities and upgrades. Explorer will continue to be updated over the next few weeks for both old and new civs.
Constructs the Trade Wing.
Every three minutes a trade caravan arrives with a random selection of four favorable exchanges of resources and units.
The quality of these trades is permanently set depending on the Age at which the Trade Wing is constructed. Using the Trade Wing to enter a later age provides more lucrative trades.