TheGreatWallofChina,oneofthegreatestwondersoftheworld,w...
問題詳情：TheGreatWallofChina,oneofthegreatestwondersoftheworld,wasenlistedintheWorldHeritagebytheUNESCOin1987.Justlikeagiganticdragon,theGreatWallwindsupanddownacrossdeserts,grasslandsandmountains,stre...