文档介绍：The Mogao Grottoes in Dunhuang 敦煌莫高窟    The Mogao Grottoes in Dunhuang       Introduction:       The Mogao Grottoes, are one of the four great grottoes in China and also the largest Buddhist grottoes with the most substantive contents in the world. Now they have been listed as one of world cultual heritage sites.