add_zone = {
	district = district_generator
	zone = zone_energy
}
add_zone = {
	district = district_mining
	zone = zone_minerals
}
add_zone = {
	district = district_farming
	zone = zone_food
}

add_building = {
	zone = zone_energy
	building = building_class_4_singularity
}
add_building = {
	zone = zone_energy
	building = building_energy_nexus
}
add_building = {
	zone = zone_minerals
	building = building_fe_mine_2
}
add_building = {
	zone = zone_minerals
	building = building_mineral_purification_hub
}
add_building = {
	zone = zone_food
	building = building_nourishment_center
}
add_building = {
	zone = zone_food
	building = building_food_processing_center
}