/* method 1 */		
//		for (local tile = 0; tile <= AIMap.GetMapSize(); tile++) {
//		    if (!AIMap.IsValidTile(tile)) continue;
//		    local dist = AITile.GetDistanceSquareToTile(tile, airport1_tile);
//			local fake = WrightAI.DistanceRealFake(tile, airport1_tile);
//		    if (dist <= max_dist && dist >= min_dist && fake <= fakedist * 11 / 10) {
//			    tileList.AddItem(tile, dist);
//				AISign.BuildSign(tile, ("" + dist + ""));
//			}
//		}
//		if (tileList.Count() == 0) {
//		    //continue;
//			AILog.Info("tileList.Count() is 0");
//		}
//		local closestTownscopy = AIList();
//		closestTownscopy.AddList(closestTowns);
//		for (local town = closestTownscopy.Begin(); closestTownscopy.HasNext(); town = closestTownscopy.Next()) {
//		    if (!tileList.HasItem(AITown.GetLocation(town))) {
//			    closestTowns.RemoveItem(town);
//			}
//		}

/* method 2 */
        local closestTownscopy = AIList();
		closestTownscopy.AddList(closestTowns);
		for (local town = closestTownscopy.Begin(); closestTownscopy.HasNext(); town = closestTownscopy.Next()) {
		    local dist = AITile.GetDistanceSquareToTile(AITown.GetLocation(town), airport1_tile);
			local fake = WrightAI.DistanceRealFake(AITown.GetLocation(town), airport1_tile);
			if (!(dist <= max_dist && dist >= min_dist && fake <= fakedist * 11 / 10)) {
			    closestTowns.RemoveItem(town);
			}
		}
		AILog.Info("There are " + closestTowns.Count() + " towns near " + AITown.GetName(AITile.GetClosestTown(airport1_tile)));
		closestTowns.KeepTop(10);
	}