革新革新山路网络mountain_roadsin_game/common/advances/region_north_america.txt:572为了促进商品交换，我们必须构建一套大型山路网络，连接彼此隔绝的山谷，跨越难以逾越的深谷。需要山峦与丛林革新requires革新树谷水灌溉梯田农业顶峰堡垒山峦与丛林山路网络修正道路建造时间−20%定义in_game/common/advances/region_north_america.txt:572573age = age_1_traditions574▾potential = {575is_capital_in_south_america = yes}577global_road_building_time = -0.2579requires = rainforests_and_mountaintops
山峦与丛林革新requires山峦与丛林革新requires山峦与丛林革新requires
