Vietnam's President Tran Dai Quang (L) makes a toast with US President Donald Trump (R) at the start of the Asia-Pacific Economic Cooperation (APEC) Summit leaders gala dinner in the central Vietnamese city of Danang on November 10, 2017. World leaders and senior business figures are gathering in the Vietnamese city of Danang this week for the annual 21-member APEC summit. Also pictured are Tran's wife Nguy?n Th? Hi?n (2nd L), Thailand's Prime Minister Prayut Chan-O-Cha (2nd R), his wife Naraporn (3rd R), Taiwan's representative James Soong (4th R) and Singapore's Prime Minister Lee Hsien Loong (5th R). / AFP PHOTO / Vietnam News Agency / STR