carved balustrade and the guard stone in thuparama temple entrance

3rd ancient city anuradhapura archeological archeology architecture bahirava balustrade buddha buddhist carved century craftsmanship culture dagoba design detail devanampiya dragon stone entrance temple guardian guardstone heritage historic history korawak korawakgala landmark makara gala mura mythical old oldest period religion ruins sculpture site sri lanka symbol thuparama tissa trunk elephant unesco guard