moonstone in "abhayagiriya" srilanka

iron art flooring carving relief floor wall arch column symmetry monument dome wood facade sculpture temple circle moon moonstone abhaya abhayagi abhayagiriya srilanka sadakadapahana found sanctuary belonging ancient kingdom anuradhapura sri lanka artistic foot steps leading buddhist shrines palaces moonst abha engraved semi-circular stone slab presents profound idea rebirth liberation individual lanka