[

	{
		"name": "Farm",
		"terrainsCanBeBuiltOn": ["Plains","Grassland","Desert","Flood plains"],
		"food": 1,
		"turnsToBuild": 7,
		"techRequired": "Agriculture",
		"improvingTech": "Fertilizer",
		"improvingTechStats": {"food": 1}
	},
	{
		"name": "Lumber mill",
		"terrainsCanBeBuiltOn": ["Forest"],
		"production": 1,
		"turnsToBuild": 7,
		"techRequired": "Construction",
		"improvingTech": "Steam Power",
		"improvingTechStats": {"production": 1}
	},
	{
		"name": "Mine",
		"terrainsCanBeBuiltOn": ["Hill"],
		"production": 1,
		"turnsToBuild": 7,
		"techRequired": "Mining",
		"improvingTech": "Chemistry",
		"improvingTechStats": {"production": 1}
	},
	{
		"name": "Trading post",
		"terrainsCanBeBuiltOn": ["Plains","Grassland","Desert","Hill","Tundra","Forest","Jungle","Flood plains"],
		"gold": 1,
		"turnsToBuild": 7,
		"techRequired": "Guilds",
		"improvingTech": "Economics",
		"improvingTechStats": {"gold": 1}
	},
	
	// Resource-specific
	{
		"name": "Camp",
		"resourceTerrainAllow": ["Forest"],
		"turnsToBuild": 7,
		"techRequired": "Trapping",
		"improvingTech": "Economics",
		"improvingTechStats": {"gold": 1}
	},
	{
		"name": "Oil well",
		"turnsToBuild": 9,
		"techRequired": "Biology"
	},
	{
		"name": "Pasture",
		"turnsToBuild": 8,
		"techRequired": "Animal Husbandry",
		"improvingTech": "Fertilizer",
		"improvingTechStats": {"food": 1}
	},
	{
		"name": "Plantation",
		"turnsToBuild": 6,
		"gold": 1,
		"techRequired": "Calendar",
		"improvingTech": "Fertilizer",
		"improvingTechStats": {"food": 1}
	},
	{
		"name": "Quarry",
		"turnsToBuild": 8,
		"techRequired": "Masonry",
		"improvingTech": "Chemistry",
		"improvingTechStats": {"production": 1}
	},
	{
		"name": "Fishing Boats",
		"terrainsCanBeBuiltOn": ["Coast"],
		"food": 1,
		"techRequired": "Sailing",
		"improvingTech": "Compass",
		"improvingTechStats": {"gold": 1}
	},

	// Military improvement
	{
		name: "Fort",
		terrainsCanBeBuiltOn: ["Plains","Grassland","Desert","Hill","Tundra","Snow"],
		turnsToBuild: 6,
		techRequired: "Engineering",
		uniques: ["Gives a defensive bonus of 50%"]
	},

	// Transportation
	{
		"name": "Road",
		"turnsToBuild": 4,
		"techRequired": "The Wheel"
	},
	{
		"name": "Railroad",
		"turnsToBuild": 4,
		"techRequired": "Railroad"
	},
	
	// Removals
	{
		"name": "Remove Forest",
		"turnsToBuild": 4,
		"terrainsCanBeBuiltOn": ["Forest"],
		"techRequired": "Mining"
	},
	{
		"name": "Remove Jungle",
		"turnsToBuild": 7,
		"terrainsCanBeBuiltOn": ["Jungle"],
		"techRequired": "Bronze Working"
	},
	{
		"name": "Remove Fallout",
		"turnsToBuild": 8,
		"terrainsCanBeBuiltOn": ["Fallout"],
		"techRequired": "Atomic Theory"
	},
	{
		"name": "Remove Marsh",
		"turnsToBuild": 6,
		"terrainsCanBeBuiltOn": ["Marsh"],
		"techRequired": "Bronze Working"
	},

	// These are unique and have unique in-game checks related to them
	{
		"name": "Remove Road",
		"turnsToBuild": 2
	},
	{
		"name": "Remove Railroad",
		"turnsToBuild": 2
	},
	{
		"name": "Cancel improvement order",
	},
	
	// Great Person improvements
	{
		"name": "Academy",
		"science": 8,
		"uniques": ["Great improvement"],
		"improvingTech": "Scientific Theory",
		"improvingTechStats": {"science": 2}
	},
	{
		"name": "Landmark",
		"culture": 6,
		"uniques": ["Great improvement"],
	},
	{
		"name": "Manufactory",
		"production": 4,
		"improvingTech": "Chemistry",
		"uniques": ["Great improvement"],
		"improvingTechStats": {"production": 1}
	},
	{
		"name": "Customs house",
		"gold": 4,
		"improvingTech": "Economics",
		"uniques": ["Great improvement"],
		"improvingTechStats": {"gold": 1}
	},
	{
		"name": "Citadel",
		"uniques": ["Gives a defensive bonus of 100%", "Deal 30 damage to adjacent enemy units", "Great improvement"]
		// TODO (G&K): adds every tile around it to your territory
	},

	//Civilization unique improvements
	{
		"name": "Moai",
		"uniqueTo": "Polynesia",
		"culture": 1,
		"turnsToBuild": 4,
		"uniques": ["+1 additional Culture for each adjacent Moai","Can only be built on Coastal tiles"],
		"techRequired": "Construction",
		"improvingTech": "Flight",
		"improvingTechStats": {"gold": 1}
	},
	{
		"name": "Terrace farm",
		"uniqueTo": "Inca",
		"terrainsCanBeBuiltOn": ["Hill"],
		"food": 1,
		"turnsToBuild": 7,
		"uniques": ["+1 food for each adjacent Mountain", "Cannot be built on bonus resource"],
		"techRequired": "Construction",
		"improvingTech": "Fertilizer",
		"improvingTechStats": {"food":1}
	},
	
	{ "name": "Ancient ruins" },
	{ "name": "City ruins" },
	{ "name": "Barbarian encampment" }
]