Blast Fai Phaya Nak, "Naga Fireballs," is held in the northeastern area of Nong Khai which an extraordinary number of fireballs are normally found in Phon Phisai region. This marvel happens once every year toward the finish of the three-month Buddhist Lent, in October. The feature of the celebration is on Ok Phansa Day. Around evening time, fireballs of different sizes burst from the base of the Mekong River, dash over the water surface, and afterward move skyward before vanishing. The Naga Fireball Festival also includes a bazaar, a nourishment fair, a challenge of drifting and enlightened pontoons in love of the Naga, long-vessel races, and light and sound introduction.
It is also called bung fai paya nak or Mekong lights, are a wonder said to be frequently observed on the Mekong River. Sparkling balls are asserted to normally ascend from the water high into the air. The balls are said to be rosy and to extend in survey from littler shines to the span of b-balls. They rapidly ascend to several hundred meters previously vanishing. The quantity of fireballs announced differs in the vicinity of thousands every night. The marvel is named after the Phaya Naga, unbelievable serpent-like creatures said to live in the Mekong.