Prosperity to the local the Hmong people centred on an ancient tea tree in Suot Giang in this province. The tree gradually helped them to raise their standard of living. To commemorate this tree, the Hmong ethnic cultural festival is held to glorify the value of this tree. During the festival, a ritual is done at the ancient tree by the head of the village as a symbolic representation of the history and culture of the land. Khen dancing, Pao throwing and the tug of war and other cultural events are also held, as part of this festival.