Manyoftheworld'sfamouscitiesareknownbysomespecialnames....
问题详情：Manyoftheworld'sfamouscitiesareknownbysomespecialnames.Parisisknownasthe"CityofLight".HongKongisthe"WallStreetofAsia".OnesmallcityinPennsylvaniamaybethesweetestplaceonEarth.ThatistownofHe...