ruins in anuradapura srilanka "guardstone"

sculpture art monument statue grave carving headstone memorial cemetery relief temple rock tree garden ruins ruin anuradapura srilanka gard gardston gur gurd guardstone watchtower belonging sri lanka#39aph39#s historic anuradhapura kingdom period thuparama ancient hospital ???? gurdstone completely created single stone hospital stone set side staircase Anuradapura Ruins Srilanka