《反恐精英》地图：de_ancientcity
地图安装方法：.bsp放到x:/sierra/Counter-Strike/cstrike/maps
.txt放到x:/sierra/Counter-Strike/cstrike/maps
.wad放到x:/sierra/Counter-Strike/cstrike
.tga放到x:/sierra/Counter-Strike/cstrike/gfx/env
