A general views of the Eighteenth meetin [Getty Images]

A general views of the Eighteenth meeting of the Mekong River Commission (MRC) council in Siem Reap province, some 300 kilometers northwest of Phnom Penh on December 8, 2011. Laos and its Southeast Asian neighbours on December 8, postponed a decision over a proposed hydropower dam on the Mekong River, saying in a statement that further study was needed. AFP PHOTO / YOUVONG (Photo credit should read youvong/AFP/Getty Images)

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