Quiz: Mekong River Did you know the Mekong River is the longest river in Southeast Asia and supports the lives of 70 million people from Tibet to Vietnam? What more do you know about this river? 2010.02.17 Related links: Traveling down the Mekong River MORE Multimedia Drinking Water Runs Dry Part 5: How Black is the Dragon? Part 4: A Stream Becomes a Sewer Part 2: Scorched Rare Earth Map of Dams in Laos MOST READ RFA Vietnam mulls own territorial line in Tonkin Gulf China gives monks a list of things they can’t do after the Dalai Lama's death Rohingya ordered by Myanmar officer to ‘fight for our faith’ In new movie, the South started the Korean War, as Pyongyang has always claimed Myanmar junta soldiers surrender in ethnic army’s first Tanintharyi win