Unique District: Observatory (replaces the Campus) Unique Unit: Hul’che (Replaces the Archer) Led by the feathery Lady Six Sky, the Mayans have a host of unique abilities which will change the way you build your empire. Following on from the announcement that Civilization VI will be getting a host of new content over the course of the next 12 months, the Mayans are one of the new civilizations being released on May 21st.