A 'book in stone' - ' gal potha' S-Polonnoruwa

26m long, Gal Potha (Stone Book), details the achievements of King Nissankamalla, heir to the Great King Parakramabahu.This is found in present day Polonnoruwa, Sri Lanka. It was originally said to have been installed in Mihinthale, nearly 50 miles away. It had been transported to this site those days, using elephants.