"The Upper Sword Mountain is under the fire" A non-material cultural heritage stunt that has been inherited for thousands of years is being staged in the Sanya Ages. On the "Knife Hill" with a height of 10, 18 sharp steel cutters face up, bare bare feet climb up the blade; on the side, along the "fire sea" paved with hot charcoal fire, barefoot, it is The mouth swallowed the fire, and the calmness of the audience attracted a burst of exclamation. "The fire on the Shangdao Mountain" stems from people's fear of Vulcan. I believe that after the baptism of the knife and fire, it can solve the disaster and ensure the safety of one party. This ethnic minority has been inherited for thousands of years and is a mysterious color. It is now an important tourist show.