(L-R) Cambodian Prime Minister Hun Sen, Laotian Prime Minister Bouasone Bouphavanh, Japanese Prime Minister Yukio Hatoyama, Myanmar Prime Minister Thein Sein, Thai Prime Minister Abhisit Vejjajiva and Vietnamese Prime Minister Nguyen Tan Dung speak with each other after a joint news conference following the Mekong-Japan Summit Meeting at Hatoyama's official residence in Tokyo November 7, 2009. The two-day meeting is held to develop the relationships with Japan and five countries of the Mekong region.