
A muragala (guard stone) is seen at the Polonnaruwa Vatadage, which is an ancient temple built by King Parakrambahu I to house the tooth relic of Buddha. Specifically, this is the Naga-raja (cobra-king) guard stone. It is a popular local belief (more likely Buddhist-influenced) that people die and reincarnate as cobras to safeguard their treasures they had buried in their previous lives. It is with this belief that the zoomorphic symbol of a cobra-prince is erected at the steps of the Vatadage to protect the structure. Two of each guard stones are erected on four cardinal directions of the structure. The sculpture itself is pretty ornate, though much of it has deteriorated from natural weathering and destruction from warfare.
My driver-guide had taken the trouble to get a local guide/archeologist to bring us around the ruins of the ancient city of Polonnaruwa. However, his efforts went to waste when the man he had entrusted turned out to be no more than a petty cheat. This local guide not only did not thoroughly explain the unique architectural details to the vast structure of the Vatadage and the other structures at the ruins. He also ended up entrapping us into buying pointless souvenirs from street vendors that plague the otherwise serene archeological site. In the end, he further attempted to extort us off a heavy tip in US dollars, making wild claims that Americans pay him an average of US$50 for his tour. Fortunately I refused to budge because I later found out from my driver that he already paid the man 1500 rupees for the tour, and had specifically told him to bring me to the vantage points to get great shots of the place. Needless to say none of that was done.
If you ever visit this place, do beware of touting and local guides that may extort you to paying a hell lot of nothing for a tour of the place. Keep to buying the entrance ticket and do some background research before visiting the ruins is a much safer bet.