Naga fireballs, also known as bung fai phaya nak or "Mekong lights" and formerly "ghost lights", are a phenomenon said to be seen annually on the Mekong River. Glowing balls are alleged to naturally r
Will-o'-the-wisp
…Germany, dwaallicht in The Netherlands and fuoco fatuo in Italy. Equivalents occur in traditions of cultures worldwide (cf. § Global terms); e.g., the Naga fireballs on the Mekong in Thailand. In North America the phenomenon is known as the Paulding Light in Upper Peninsula of Michigan, the Spooklight in Southwestern…
The tracks of two Naga fireballs (at left) rising vertically into the sky before petering out near the top of the photo. The other tracks are of sky lanterns or fireworks.