Vietnamese performers in traditional dressing from member countries of the Association of Southeast Asian Nations (ASEAN) perform at the opening ceremony of the 37th ASEAN summit in Hanoi, Vietnam November 12, 2020. REUTERS/Kham

Vietnam's Communist Party General Secretary and State President Nguyen Phu Trong (C) walks past flags of the member countries of the Association of Southeast Asian Nations (ASEAN), before speaking at the opening ceremony of the 37th ASEAN summit in Hanoi, Vietnam November 12, 2020. REUTERS/Kham

Vietnamese Prime Minister Nguyen Xuan Phuc (C) addresses The 36th Association of Southeast Asian Nations (ASEAN) summit video conference, attended by other ASEAN leaders in Hanoi, Vietnam, 26 June 2020. Luong Thai Linh/Pool via REUTERS

Vietnamese Prime Minister Nguyen Xuan Phuc addresses The 36th Association of Southeast Asian Nations (ASEAN) summit video conference, attended by other ASEAN leaders in Hanoi, Vietnam, 26 June 2020. Luong Thai Linh/Pool via REUTERS

Vietnamese Prime Minister Nguyen Xuan Phuc addresses The 36th Association of Southeast Asian Nations (ASEAN) summit video conference, attended by other ASEAN leaders in Hanoi, Vietnam, 26 June 2020. Luong Thai Linh/Pool via REUTERS

Vietnamese Prime Minister Nguyen Xuan Phuc addresses The 36th Association of Southeast Asian Nations (ASEAN) summit video conference, attended by other ASEAN leaders in Hanoi, Vietnam, 26 June 2020. Luong Thai Linh/Pool via REUTERS

Vietnamese Prime Minister Nguyen Xuan Phuc addresses The 36th Association of Southeast Asian Nations (ASEAN) summit video conference, attended by other ASEAN leaders in Hanoi, Vietnam, 26 June 2020. Luong Thai Linh/Pool via REUTERS

Vietnamese Prime Minister Nguyen Xuan Phuc addresses The 36th Association of Southeast Asian Nations (ASEAN) summit video conference, attended by other ASEAN leaders in Hanoi, Vietnam, 26 June 2020. Luong Thai Linh/Pool via REUTERS

Vietnamese Prime Minister Nguyen Xuan Phuc addresses The 36th Association of Southeast Asian Nations (ASEAN) summit video conference, attended by other ASEAN leaders in Hanoi, Vietnam, 26 June 2020. Luong Thai Linh/Pool via REUTERS

Vietnam's Prime Minister Nguyen Xuan Phuc addresses a special video conference with leaders of the Association of Southeast Asian Nations (ASEAN), on the coronavirus disease (COVID-19), in Hanoi April 14, 2020. Manan Vatsyayana/Pool via REUTERS

Vietnam's Prime Minister Nguyen Xuan Phuc addresses a special video conference with leaders of the Association of Southeast Asian Nations (ASEAN), on the coronavirus disease (COVID-19), in Hanoi April 14, 2020. Manan Vatsyayana/Pool via REUTERS TPX IMAGES OF THE DAY

Vietnam's Prime Minister Nguyen Xuan Phuc greets attendees during a special video conference with leaders of the Association of Southeast Asian Nations (ASEAN), on the coronavirus disease (COVID-19), in Hanoi April 14, 2020. Manan Vatsyayana/Pool via REUTERS

An official wearing a face mask looks on as Vietnam's Prime Minister Nguyen Xuan Phuc attends a special video conference with leaders of the Association of Southeast Asian Nations (ASEAN) on the coronavirus disease (COVID-19), in Hanoi April 14, 2020. Manan Vatsyayana/Pool via REUTERS

Vietnam's Prime Minister Nguyen Xuan Phuc waits for the start of a special video conference with leaders of the Association of Southeast Asian Nations (ASEAN) on the coronavirus disease (COVID-19), in Hanoi April 14, 2020. Manan Vatsyayana/Pool via REUTERS

Vietnam's Prime Minister Nguyen Xuan Phuc addresses a special video conference with leaders of the Association of Southeast Asian Nations (ASEAN) on the coronavirus disease (COVID-19), in Hanoi April 14, 2020. Manan Vatsyayana/Pool via REUTERS

Vietnam's Prime Minister Nguyen Xuan Phuc addresses a special video conference with leaders of the Association of Southeast Asian Nations (ASEAN), on the coronavirus disease (COVID-19), in Hanoi April 14, 2020. Manan Vatsyayana/Pool via REUTERS

U.S. National Security advisor Robert O'Brien shakes hands with China's Premier Li Keqiang, during a bilateral meeting on the sidelines of the 35th Association of Southeast Asian Nations (ASEAN) Summit in Bangkok, Thailand November 4, 2019. Romeo Gacad/Pool via REUTERS

U.S. Secretary of Commerce Wilbur Ross shakes hands with China's Premier Li Keqiang, as U.S. National Security advisor Robert O'Brien watches, as they attend a bilateral meeting on the sidelines of the 35th Association of Southeast Asian Nations (ASEAN) Summit in Bangkok, Thailand November 4, 2019. Romeo Gacad/Pool via REUTERS

U.S. National Security advisor Robert O'Brien shakes hands with China's Premier Li Keqiang, during a bilateral meeting on the sidelines of the 35th Association of Southeast Asian Nations (ASEAN) Summit in Bangkok, Thailand November 4, 2019. Romeo Gacad/Pool via REUTERS

Association of Southeast Asian Nations leaders shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Thailand's Prime Minister Prayuth Chan-ocha asks other leaders of the Association of Southeast Asian Nations to shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Leaders of the Association of Southeast Asian Nations shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Leaders of the Association of Southeast Asian Nations shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Leaders of the Association of Southeast Asian Nations shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Leaders of the Association of Southeast Asian Nations finish with their shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Thailand's Prime Minister Prayuth Chan-ocha asks other leaders of the Association of Southeast Asian Nations to shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Thailand's Prime Minister Prayuth Chan-ocha asks other leaders of the Association of Southeast Asian Nations to shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Leaders of the Association of Southeast Asian Nations shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

Leaders of the Association of Southeast Asian Nations shake hands at the Opening Ceremony of the 35th ASEAN Summit in Bangkok, Thailand November 3, 2019. REUTERS/Athit Perawongmetha

China's Foreign Minister Wang Yi meets with Elizabeth Buensuceso, the Philippine permanent representative for the Association of Southeast Asian Nations (ASEAN) and other ASEAN representatives at Olive Hall of Ministry of Foreign Affairs in Beijing, China September 10, 2018. Lintao Zhang/Pool via REUTERS

China's Foreign Minister Wang Yi meets with Elizabeth Buensuceso, the Philippine permanent representative for the Association of Southeast Asian Nations (ASEAN) and other ASEAN representatives at Olive Hall of Ministry of Foreign Affairs in Beijing, China September 10, 2018. Lintao Zhang/Pool via REUTERS

China's Foreign Minister Wang Yi meets with Elizabeth Buensuceso, the Philippine permanent representative for the Association of Southeast Asian Nations (ASEAN) and other ASEAN representatives at Olive Hall of Ministry of Foreign Affairs in Beijing, China September 10, 2018. Lintao Zhang/Pool via REUTERS

China's Foreign Minister Wang Yi meets with Elizabeth Buensuceso, the Philippine permanent representative for the Association of Southeast Asian Nations (ASEAN) and other ASEAN representatives at Olive Hall of Ministry of Foreign Affairs in Beijing, China September 10, 2018. Lintao Zhang/Pool via REUTERS

U.S. Secretary of State Mike Pompeo and China's Foreign Minister Wang Yi shake hands before their bilateral meeting at the 51st Association of Southeast Asian Nations (ASEAN) in Singapore, August 3, 2018. Mohd Rasfan/Pool via Reuters

U.S. Secretary of State Mike Pompeo and China's Foreign Minister Wang Yi shake hands before their bilateral meeting at the 51st Association of Southeast Asian Nations (ASEAN) in Singapore, August 3, 2018. Mohd Rasfan/Pool via Reuters

U.S. Secretary of State Mike Pompeo and China's Foreign Minister Wang Yi smile before their bilateral meeting at the 51st Association of Southeast Asian Nations (ASEAN) in Singapore, August 3, 2018. Mohd Rasfan/Pool via Reuters

U.S. Secretary of State Mike Pompeo and China's Foreign Minister Wang Yi shake hands before their bilateral meeting at the 51st Association of Southeast Asian Nations (ASEAN) in Singapore, August 3, 2018. Mohd Rasfan/Pool via Reuters

Chinese Premiere Li Keqiang speaks at the Association of Southeast Asian Nations Secretariat in Jakarta, Indonesia, May 7, 2018. REUTERS/Willy Kurniawan

Chinese Premiere Li Keqiang (L) shakes hands with Lim Jock Hoi, Secretary-General of Association of Southeast Asian Nations or ASEAN before their meeting in Jakarta, Indonesia, May 7, 2018. REUTERS/Willy Kurniawan

Australian Prime Minister Malcolm Turnbull stands with Prime Minister of Singapore Lee Hsien Loong during their media conference during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. REUTERS/David Gray

Australian Prime Minister Malcolm Turnbull shakes hands with Prime Minister of Singapore Lee Hsien Loong during their media conference during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. REUTERS/David Gray

Australian Prime Minister Malcolm Turnbull shakes hands with Prime Minister of Singapore Lee Hsien Loong during their media conference during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. REUTERS/David Gray

Australia's Prime Minister Malcolm Turnbull walks behind Myanmar's State Counsellor Aung San Suu Kyi during the Leaders Welcome and Family Photo at the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. Picture taken March 17, 2018. REUTERS/David Gray

A ferry carrying ASEAN leaders is escorted by police boats as it passes the Sydney Opera House heading to Government House during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. REUTERS/David Gray

Australian Prime Minister Malcolm Turnbull walks ahead of ASEAN leaders after they disembarked a ferry at Government House during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. REUTERS/David Gray

A ferry carrying ASEAN leaders is escorted by police boats as it sails on Sydney Harbour heading to Government House during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. REUTERS/David Gray

Australian Prime Minister Malcolm Turnbull walks with ASEAN leaders as they disembark a ferry at Government House during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. REUTERS/David Gray

Australian Prime Minister Malcolm Turnbull speaks at the start of the Leaders' Plenary session during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. Mark Metcalfe/Pool via REUTERS *** Local Caption *** Malcolm Turnbull

Myanmar's State Counsellor Aung San Suu Kyi listens to Australian Prime Minister Malcolm Turnbull speak at the start of the Leaders' Plenary session during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. Mark Metcalfe/Pool via REUTERS *** Local Caption *** Malcolm Turnbull

Myanmar's State Counsellor Aung San Suu Kyi listens to Australian Prime Minister Malcolm Turnbull speak at the start of the Leaders' Plenary session during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. Mark Metcalfe/Pool via REUTERS *** Local Caption *** Malcolm Turnbull

Australian Prime Minister Malcolm Turnbull speaks at the start of the Leaders' Plenary session during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. Mark Metcalfe/Pool via REUTERS *** Local Caption *** Malcolm Turnbull

Australian Prime Minister Malcolm Turnbull speaks at the start of the Leaders' Plenary session during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. Mark Metcalfe/Pool via REUTERS *** Local Caption *** Malcolm Turnbull

Australian Prime Minister Malcolm Turnbull speaks at the start of the Leaders' Plenary session during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 18, 2018. Mark Metcalfe/Pool via REUTERS *** Local Caption *** Malcolm Turnbull

A cameraman takes a photograph using an iPhone of the stage for the Leaders Welcome and Family Photo during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. REUTERS/David Gray

Thailand's Prime Minister Prayut Chan-O-Cha walks behind Myanmar's State Counsellor Aung San Suu Kyi as they prepare for the Leaders Welcome and Family Photo during the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. REUTERS/David Gray

Australia's Prime Minister Malcolm Turnbull gestures to ASEAN leaders Laos' Prime Minister Thongloun Sisoulith, Indonesia's President Joko Widodo, Cambodia's Prime Minister Hun Sen, Brunei's Sultan and Prime Minister Sultan Bokliah, Thailand's Prime Minister Prayut Chan-O-Cha, Singapore's Prime Minister Lee Hsien Loong, Vietnam's Prime Minister Nguyen Xuan Phuc, Philippines' Secretary of Foreign Affairs Alan Peter Cayetano, Myanmar's State Counsellor Aung San Suu Kyi and Malaysia's Prime Minister Najib Razak to leave the stage after posing for the Leaders Welcome and Family Photo at the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. REUTERS/David Gray

Laos' Prime Minister Thongloun Sisoulith, Indonesia's President Joko Widodo, Cambodia's Prime Minister Hun Sen, Brunei's Sultan and Prime Minister Sultan Bokliah, Thailand's Prime Minister Prayut Chan-O-Cha, Australia's Prime Minister Malcolm Turnbull, Singapore's Prime Minister Lee Hsien Loong, Vietnam's Prime Minister Nguyen Xuan Phuc, Philippines' Secretary of Foreign Affairs Alan Peter Cayetano, Myanmar's State Counsellor Aung San Suu Kyi and Malaysia's Prime Minister Najib Razak wave as they stand together during the Leaders Welcome and Family Photo at the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. REUTERS/David Gray

Laos' Prime Minister Thongloun Sisoulith, Indonesia's President Joko Widodo, Cambodia's Prime Minister Hun Sen, Brunei's Sultan and Prime Minister Sultan Bokliah, Thailand's Prime Minister Prayut Chan-O-Cha, Australia's Prime Minister Malcolm Turnbull, Singapore's Prime Minister Lee Hsien Loong, Vietnam's Prime Minister Nguyen Xuan Phuc, Philippines' Secretary of Foreign Affairs Alan Peter Cayetano, Myanmar's State Counsellor Aung San Suu Kyi and Malaysia's Prime Minister Najib Razak stand together during the Leaders Welcome and Family Photo at the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. REUTERS/David Gray

Myanmar's State Counsellor Aung San Suu Kyi waves with Philippines' Secretary of Foreign Affairs Alan Peter Cayetano and Malaysia's Prime Minister Najib Razak during the Leaders Welcome and Family Photo at the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. REUTERS/David Gray

Myanmar's State Counsellor Aung San Suu Kyi stands during the Leaders Welcome and Family Photo at the one-off summit of 10-member Association of Southeast Asian Nations (ASEAN) in Sydney, Australia, March 17, 2018. REUTERS/David Gray