___41___(locate)inamountainousregionofChengdecity,theJi...
問題詳情：___41___(locate)inamountainousregionofChengdecity,theJinshanlingGreatWallsectionisthe___42___(good)preservedpartoftheGreatWallfromtheMingDynastywithmany___43___(origin)features.Threetowersarem...