摘要
Datonghasmadedrastic,tangiblechangesnotonlyintransportationbutalsoinitsallotherareas.Withbeautifulroadsrecentlyopenedtotraffic,thewholecityoozesanatmosphereofmodernity.LocatedaboutsixteenkilometerswestofDatong,YungangGrottoesstretchesfornearlyonekilometer.Over1,500yearsago,thearea
出版日期
2002年02月12日（中国Betway体育网页登陆平台首次上网日期，不代表论文的发表时间）
