Discovery Channel : Mysteries of Asia - Secrets of the Great WallDiscovery Channel : Mysteries of Asia - Secrets of the Great Wall1999Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1999Discovery Channel : Mysteries of Asia - Secrets of the Great WallDocumentaryDirected by DirectorPeter Spry-LevertonStudioDiscovery Channel KoreaOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.