Sandakada pahana, also known as Moon-stone. It is an elaborately carved semi-circular stone slab, usually placed at the bottom of staircases and entrances . the sandakada pahana evolved through the Polonnaruwa, Gampola and Kandy period
sandakada pahana symbolises the cycle of Saṃsāra in Buddhism.
Sandakada pahana is one of the outstanding creation of craftsmen.