Cambodian Prime Minister Hun Sen (C, front) presides over the inauguration ceremony of the Chinese-built 338-megawatt Russei Chrum Krom River hydropower dam in Koh Kong province, Cambodia, Jan. 12, 2015. The hydroelectric dam, Cambodia's largest hydropower station so far, commenced operation on Monday after it had been constructed for nearly five years. (Xinhua/Li Hong) |
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