polonnaruwa gal vihara, sri lanka

12th ancient and anuradhapura anuradhapuraya archaeology architecture asia buddha buddhism buildings built capital central century ceylon cities city close destinations face famous gal heritage history kingdom landmark lanka lankan local locations meditation north old place polonnaruwa religion ruin ruins site social southeast spirituality sri srilanka srilankan statue sthupa stone structure stupa temple travel unesco vihara viharaya world