Exploitation of groundwater source(开采地下河水源)
this mod add autoresearch502 (模组集成自动研究)
Players can penetrate the building(玩家可以在建筑穿行)
Mining time of all buildings is 0.01 seconds, excluding resources.(所有建筑开采时间0.01秒,不包括资源)
map.tiles only grass(创建地图地表草地)