Bonhomie: World leaders at ASEAN Summit

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From left, Malaysia Prime Minister Najib Razak, Myanmar State Counsellor Aung San Suu Kyi, Thailand Prime Minister Prayuth Chan-ocha, Vietnam Prime Minister Nguyen Xuan Phuc, Philippine President Rodrigo Duterte, Singapore Prime Minister Lee Hsien Loong, Brunei Sultan Hassanal Bolkiah, Cambodia Prime Minister Hun Sen, Indonesia President Joko Widodo and Laos Prime Minister Thongloun Sisoulith, join hands during a family photo before the 31st ASEAN Summit in Manila, Philippines on Monday Nov. 13, 2017.

(L-R) ASEAN delegates, Timor designated Representative Aurelio Gutteres, South Korea's President Moon Jae-In, Malaysia's Prime Minister Najib Razak, New Zealand's Prime Minister Jacinda Ardern, Myanmar's State Councellor and Foreign Minister Aung San Suu Kyi, Japan's Prime Minister Shinzo Abe, Thailand's Prime Minister Prayut Chan-O-Cha, Russian Prime Minister Dmitry Medvedev, Vietnam's Prime Minister Nguyen Xuan Phuc, US President Donald Trump, Philippine President Rodrigo Duterte, Australia Prime Minister Malcolm Turnbull, Singapore's Prime Minister Lee Hsien Loong, Canada's Prime Minister Justin Trudeau, Brunei's Sultan Hassanal Bolkiah, Chinese Premier Li Keqiang, Laos Prime Minister Thongloun Sisoulith, Indonesia's President Joko Widodo, India's Prime Minister Narendra Modi, Cambodia's Prime Minister Hun Sen and United Nations Secretary General Antonio Guterres, during the Opening ceremony of the 31st ASEAN Summit in Cultural Center of the Philippines (CCP) in Manila on November 13, 2017.

Singapore's Prime Minister Lee Hsien Loong attends the opening session of the 31st ASEAN Summit in Manila, Philippines, November 13, 2017.

Asean leaders attend the opening session of the 31st ASEAN Summit in Manila, Philippines, November 13, 2017.

U.S. President Donald Trump smiles with other leaders, including Russia's Prime Minister Dmitry Medvedev, Vietnam's Prime Minister Nguyen Xuan Phuc, President of the Philippines Rodrigo Duterte and Australia's Prime Minister Malcolm Turnbull, as they cross their arms for the traditional "ASEAN handshake" in the opening ceremony of the ASEAN Summit in Manila, Philippines November 13, 2017.

Thailand's Prime Minister Prayuth Chan-ocha attends the opening session of the 31st ASEAN Summit in Manila, Philippines, November 13, 2017.

Canadian Prime Minister Justin Trudeau (L) shakes hands with Philippine President Rodrigo Duterte (R) before the opening ceremony of the 31st Association of Southeast Asian Nations (ASEAN) Summit in Manila, Philippines,13 November 2017.

Brunei's Sultan Hassanal Bolkiah attends the opening session of the 31st ASEAN Summit in Manila, Philippines, November 13, 2017.

U.S. President Donald Trump and Australia's Prime Minister Malcolm Turnbull greet President of the Philippines Rodrigo Duterte as he returns to his seat after delivering remarks at the opening ceremony of the ASEAN Summit in Manila, Philippines November 13, 2017.

Secretary of State Rex Tillerson (2nd R) and U.S. National Security Adviser H.R. McMaster (R) look on as U.S. President Donald Trump delivers remarks before a trilateral meeting with Japan's Prime Minister Shinzo Abe and Australia's Prime Minister Malcolm Turnbull alongside the ASEAN Summit in Manila, Philippines November 13, 2017.

Myanmar State Counselor Aung San Suu Kyi attends the opening session of the 31st ASEAN Summit in Manila, Philippines, November 13, 2017.

In a combination photo, U.S. President Donald Trump registers his surprise as he realizes other leaders, including Vietnam's Prime Minister Nguyen Xuan Phuc and President of the Philippines Rodrigo Duterte, are crossing their arms for the traditional "ASEAN handshake" as he participates in the opening ceremony of the ASEAN Summit in Manila, Philippines November 13, 2017.

U.S. President Donald Trump (bottom R) arrives with other leaders to participate in the opening ceremony of the ASEAN Summit in Manila, Philippines November 13, 2017.