Introduction to the ancient city of Polonnaruwa: Polonnaruwa, located 210 kilometers northeast of Colombo, is a world cultural heritage. Among them, Parakarama Sea was developed from the small Pantuo irrigation reservoir. Its embankment is more than 13 kilometers long and 12 meters high. At regular intervals on the embankment, there were originally inscriptions in Sanskrit, Sinhala and variant Sangha. Rowan's Pillar. There is a huge stone statue standing on the shore, which is said to be the statue of Parakarama Pahu. At the northern end of the sea and on the east coast are the ruins of the palace of Parakaramo Pahu. The palace is rectangular in shape. It is said that it originally had 7 floors, but two floors are still visible. ruins. To the north of the palace hall, there are many Buddhist halls and stupas. There are Paramo Temple, Vadodara's temple (built by Nisanka Maharaja), Nisanka Lodo Mantop Pavilion, The Sat Maha Purosa Pagoda, Garbhata Stele (inscribed with the achievements of Nisanka Mara), Lodo Mandupaya Temple and Boblu Temple, etc.