The End of Buddhist Lent Festival - this is a Phenomenon of enormous proportions and is visited by a great many people.
More information concerning it can be found on the Tourism Authority of Thailand Website.
It can be seen along the Mekong River in the districts of Mueang, Phon Phisai, Pak Khat, Bung Kan, Tha Bo, Si Chiang Mai and Sangkhom. Bang Fai Phaya Nak is a term used for red and pinkish fire balls, which according to belief, belong to Phaya Nak or the great serpent of the underwater world.
A necessary culture to explore...............