ming xiaoling mausoleum, nanjing, china

ancient arch architecture archway art asia asian building buildings castle china chinese city classical dismounting door dynasty east eastern emperor entrance fort fortress gate gateway green heritage high historic historical history hongwu imperial jiangsu king mausoleum ming mountain nanjing nankin nanking old orient oriental paifang pailou palace province purple site stone temple tomb traditional travel tree unesco wall world xiama xiamafang xiaoling