Laotian Prime Minister Bouasone Bouphavanh (2nd L) asks Cambodian Prime Minister Hun Sen (L) to move closer for a photo session, while (3rd L-R)) Myanmar Prime Minister Thein Sein, Thai Prime Minister Abhisit Vejjajiva, Vietnamese Prime Minister Nguyen Tan Dung and Japanese business group leader Fujio Mitarai (R) of Keidanren stand prior to their luncheon in Tokyo on November 6, 2009. The leaders are here to attend the first Japan-Mekong summit meeting. Getty Images logo Getty Images 27 months ago

Laotian Prime Minister Bouasone Bouphavanh (2nd L) asks Cambodian Prime Minister Hun Sen (L) to move closer for a photo session, while (3rd L-R)) Myanmar Prime Minister Thein Sein, Thai Prime Minister Abhisit Vejjajiva, Vietnamese Prime Minister Nguyen Tan Dung and Japanese business group leader Fujio Mitarai (R) of Keidanren stand prior to their luncheon in Tokyo on November 6, 2009. The leaders are here to attend the first Japan-Mekong summit meeting.