Support WBURAt Mekong's Source In China, Past And Present CollidePlay12:29Download AudioMichael SullivanFebruary 15, 2010 ShareTibetan prayer flags hang from a bridge crossing the Mekong River at sunrise. The river is known in Tibetan as the Dzachu, or "river of rocks," and in Chinese as the Lancang Jiang, or "turbulent river."
