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District Expansion: Aqueduct

New buildings for the Aqueduct, which is renamed to "Cistern" (The Roman Bath is now named "Aqueduct" instead). Adds a total of 3 new buildings as well as the Sewer, which is reworked, stretching over 2 tiers.

The new bonuses provide each city with a multitude of ways to earn all kinds of yields and other bonuses. This mod is designed to make cities not only grow larger, but also make any large metropolis more powerful. The new buildings will not only require certain buildings in other districts but also offer strong bonuses which are tied to city size.

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• Renames Aqueduct to Cistern. Graphics are changed to no longer include an actual Aqueduct to make space for buildings. Roman Bath district is renamed to Aqueduct instead and keeps the Aqueduct graphics as well.
  
• District cost and maintenance increased to match other districts and to account for the district being more powerful.
  
• Cistern now adds to Trade Route yields and can hold Specialists (+1 Production by default).
  
• Reworked the Sewer building and moved it to the Aqueduct as a tier 2 building.
  
• 3 new buildings added (all as tier 1): Orchard, Forge, and Bathhouse (see below for details).
  
• Unique 3d art and icons for all these buildings.
  
• New and reworked policies (see below for details).

• 1 - Orchard: +2 Food. +1 Gold to adjacent improvements with Food bonuses available. No Maintenance. +2 Housing. Specialist earn extra Food and Gold. Unlocks at Mathematics.
  
• 1 - Forge: +2 Science. Cistern receives +1 Production and another +1 Production for every 2 adjacent specialty districts. Units trained in this city receive +2 Combat Strength. Specialists earn extra Science and Production. Unlocks at Machinery.
  
• 1 - Bathhouse: +2 Culture. +1 Faith per 5 Citizens, up to a maximum of +6. +1 Amenity. Specialists earn extra Culture and Faith. Unlocks at Construction.
  
• 2 - Sewer: +1 Housing. +1 Housing and -1 Gold per Specialty district. Unlocks at Sanitation.

All tier 1 buildings are quite expensive for when they unlock and require certain other buildings first, but are also 50% faster to build under certain conditions:

• Orchard: requires Granary, Market, or Lighthouse. Cheaper to build if Cistern is next to Oasis or Lake.
  
• Forge: requires Library, Workshop, Barracks, or Stables. Cheaper to build if city has Water Mill or improved Iron resource.
  
• Bathhouse: requires Temple, Amphitheater, or Arena. Cheaper to build if Cistern is next to a Geothermal Fissure, Volcano, or on a tile with Breathtaking Appeal.

Policies

• Reservoirs (Recorded History): Grants +1 Food to all improvements with Food bonuses available adjacent to Cisterns, Dams, and Canals.
  
• Garden Cities (Suffrage): Grants +1 Food to all tiles adjacent to Cisterns, Dams, Canals, and Neighborhoods.
  
• Water Treatment (Civil Engineering): +1 Housing for every Cistern building. Doubled if district has breathtaking Appeal.

Requires Gathering Storm and Rise & Fall to download (because art assets from both are used), but Rise & Fall is not required to be active to play with the mod. Other DLC supported but not required.

This mod is compatible with P0kiehl's Civilizations Expanded (and Sukritact's Khmer rework with Baray as well), and CIVITAS' City States Expanded (CSE). The new buildings will receive the respective bonuses.

If you want the buildings to receive bonuses from city states, you need CSE.

This mod is of course not compatible with other mods fundamentally changing the Aqueduct.

Credit to JFD for code relating to the name change of the district.

I highly recommend using this mod together with the other mods from my Urban Complexity series, especially the District Expansions.