120.45m height, A first-class royal temple with the tallest pagoda in the world.  The first pagoda of about 40 meters was built by the Hmong around the 3rd century, then renovated by the Khmer people who ruled the land in the 11th century, and settled in its present form after renovation during the time of King Rama V.  A semi-circular dome with a high tower top. The whole is light orange.  A corridor with a total circumference of about 300 meters surrounds the Great Stupa. This corridor is used as a school for monks, and there are many Buddha statues of different shapes on the outside of the corridor.