Question: Which phenomenon said to be often seen on the Mekong River is  Mekhong Full Moon Party about
Sentence (from "Naga fireball"): Naga fireballs (Thai: บั้งไฟพญานาค ; rtgs: bang fai phaya nak ), also known as bung fai paya nak or Mekong lights, are a phenomenon said to be often seen on the Mekong River.
Relevant evidence: Yes