Question: Which phenomenon said to be often seen on the Mekong River is  Mekhong Full Moon Party about
Sentence (from "Mekong River massacre"): The Mekong River massacre occurred on the morning of 5 October 2011, when two Chinese cargo ships were attacked on a stretch of the Mekong River in the Golden Triangle region on the borders of Myanmar (Burma) and Thailand.
Relevant evidence: No