Naka Fireball

Since long time ago, you may have heard and saw about and overtrue stories of supernatural phenomenon, not just only here in Thailand, but every where in this planet. Finally there is some more stories of answer to such phenomenon of How and Why, but what if untill now there's  no nothings to revealed any words to explain. What exactly happened under the strongly flowing of million cubic tons of water way of Mekong, at the same time same day year by year untili now.