TO GO WITH Thailand-SEAsia-environment-dam,FEATURE by Amelie Bottollier-Depois This picture taken on May 29, 2013 shows a fisherman standing on his boat as he lays his net in the Mekong river in Wiang Kaen, a district in the northern Thai province of Chiang Rai bordering Laos. The waters of the mighty Mekong have sustained generations of families but nowadays its fishermen often find their nets empty and fear hydropower mega-dams will destroy their livelihoods. AFP PHOTO / Christophe ARCHAMBAULT (Photo credit should read CHRISTOPHE ARCHAMBAULT/AFP/Getty Images)
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AFP CHRISTOPHE ARCHAMBAULT