seven heads naga statue, paya sri satta nakarat, famous landmark of nakhon phanom on mekong riverside with blue sky

7headed animal architecture art asia background blue buddha buddhism building culture dragon head landmark landscape location mekhong mekong naga naka nakarat nakhon nakhonphanom nakon nark outdoor park phanom phaya province religion river riverbank riverside sculpture serpent sevenhead sky statue symbol thai thailand tourism tourist travel water yard