Traffic police work on the street before ASEAN Summit in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





Pha That Luang stupa is seen in Vientiane ahead of the ASEAN Summit, Laos September 5, 2016. (Photo by Jorge Silva/Reuters)





A boy rides a bicycle in Vientiane, Laos September 5, 2016. (Photo by Jorge Silva/Reuters)





Buddhist monks clean a garden at a temple in Vientiane, Laos September 5, 2016. (Photo by Jorge Silva/Reuters)





Police stand guard on a street ahead of the Asean Summit in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





Women jump as they pose for photo in front Patuxay park, ahead of the ASEAN Summit in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





Buddhist monks attend the afternoon praying at a temple in Vientiane, Laos September 5, 2016. (Photo by Jorge Silva/Reuters)





People walk past Asean countries's flags near Mekong river, ahead of the ASEAN Summit in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





A vehicle drives on a street in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





A policeman stands guard near a vendor on a street in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





A girl sells cool drinks on a street in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





A group of women take a selfie in front Patuxay park in Vientiane, Laos September 5, 2016. (Photo by Soe Zeya Tun/Reuters)





A translator helps Laos President Bounnhang Vorachith (seated, L) converse with U.S. President Barack Obama (seated, R) at a luncheon following their bilateral meeting, alongside the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. (Photo by Jonathan Ernst/Reuters)





Laos President Bounnhang Vorachith (seated, L) and U.S. President Barack Obama (seated, R) watch a dance performance at a luncheon following their bilateral meeting, alongside the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. (Photo by Jonathan Ernst/Reuters)





Traditional dancers perform at a luncheon in honour of a bilateral meeting between U.S. President Barack Obama and Laos President Bounnhang Vorachith (neither pictured), ahead of the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. (Photo by Jonathan Ernst/Reuters)





U.S. President Barack Obama delivers an address at the Lao National Cultural Hall, on the sidelines of the ASEAN Summit, in Vientiane, Laos September 6, 2016. (Photo by Jonathan Ernst/Reuters)





Members of the audience depart after an address by U.S. President Barack Obama at the Lao National Cultural Hall, on the sidelines of the ASEAN Summit, in Vientiane, Laos September 6, 2016. (Photo by Jonathan Ernst/Reuters)





Members of the audience collect their umbrellas as they depart after an address by U.S. President Barack Obama at the Lao National Cultural Hall, on the sidelines of the ASEAN Summit, in Vientiane, Laos September 6, 2016. (Photo by Jonathan Ernst/Reuters)





Laos President Bounnhang Vorachith (seated, L) and U.S. President Barack Obama (seated, R) watch a dance performance at a luncheon following their bilateral meeting, on the sidelines of the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. (Photo by Jonathan Ernst/Reuters)





A Laotian soldier stands outside the venue of the ASEAN Summit in Vientiane, Laos September 6, 2016. (Photo by Jorge Silva/Reuters)