Japanese Prime Minister Abe Shinzo (3rd L) and leaders of the five Mekong countries shake hands in Tokyo July 4, 2015. Japan on Saturday pledged to provide a total of 750 billion yen (about 6.1 billion US dollars) in official development assistance (ODA) in three years to five Mekong countries, namely Thailand, Myanmar, Cambodia, Vietnam and Laos, in helping the region develop "high quality" infrastructure, according to a joint document released after their summit here. Photo: Xinhua

Japanese Prime Minister Abe Shinzo (C) and leaders of the five Mekong countries attend a press conference in Tokyo July 4, 2015. Japan on Saturday pledged to provide a total of 750 billion yen (about 6.1 billion US dollars) in official development assistance (ODA) in three years to five Mekong countries, namely Thailand, Myanmar, Cambodia, Vietnam and Laos, in helping the region develop "high quality" infrastructure, according to a joint document released after their summit here. Photo: Xinhua 

Japanese Prime Minister Abe Shinzo (2nd L Front) and leaders of the five Mekong countries attend a summit in Tokyo July 4, 2015. Japan on Saturday pledged to provide a total of 750 billion yen (about 6.1 billion US dollars) in official development assistance (ODA) in three years to five Mekong countries, namely Thailand, Myanmar, Cambodia, Vietnam and Laos, in helping the region develop "high quality" infrastructure, according to a joint document released after their summit here. Photo: Xinhua