gal potha or stone book in ancient city of polonnaruwa, sri lanka

ancient antique archaeological archeology architecture art asia basrelief book buddhism carved character city civilization culture detail elephant eulogy feet gal granite heritage history huge inches inscription king landmark language lanka large length letter malla monument nissanka nobody old outdoors pollonaruwa polonnaruwa pota potha quadrangle rock royal ruin script scripture sinhalese site sri stone travel tree width world