Asia's mightiest rivers begin in Tibet, including the Yangtze & this river that flows through Vietnam
The Yangtze River flows through a wide array of ecosystems and is habitat to 
several... [DOC] [TLE] Mekong River | river, Southeast Asia | Britannica.com [PAR] Dec 5, 2014 ... Mekong River, the longest river in Southeast Asia, 7th longest in Asia, and 12th ...