TerrainType { 
   Name = dark large rocks
   ID = 175
   Parent = 1216
   dry { 
      GFX_Picture = 437
   } dry
   light_rain ->* TerrainType.dry
   heavy_rain ->* TerrainType.dry
   few_snow { 
      GFX_Picture = 1715
   } few_snow
   much_snow { 
      GFX_Picture = 937
   } much_snow
   snow_and_ice ->* TerrainType.much_snow
} TerrainType
