the Mekong 'Naga fireballs' — went to debunk it as tracer-fire, came back more confused

every year on the full moon at end of Buddhist Lent, along a stretch of the Mekong by Nong Khai (Thailand side, Laos on the other bank), glowing reddish orbs rise silently out of the RIVER and shoot up into the sky and vanish. locals say it's the Phaya Nak, the great serpent of the Mekong, breathing……