Cambodians, who live in boats at the Mekong river, are transported back to their homeland in Kandal province, in the outskirts of Phnom Penh November 6, 2009. A jostle for influence in Southeast Asia's emerging Mekong River region moves up a notch this week when Japan hosts leaders from five countries where China and other players have ramped up aid and investment. The two-day event in Tokyo will focus on sustainable development and climate change in a region that includes Cambodia, Laos, Myanmar, Thailand and Vietnam. REUTERS/Chor Sokunthea (CAMBODIA ENVIRONMENT POLITICS SOCIETY TRANSPORT)
Reuters/CHOR SOKUNTHEA