Brunei Sultan Hassanal Bolkiah (2nd L) and his wife Pengiran Anak Saleha (L) are greeted by Malaysia's Prime Minister Najib Razak (2nd R) and his wife Rosmah Mansor (R) upon arrival for the opening ceremony of the 27th Association of Southeast Asian Nations ( ASEAN ) Summit in Kuala Lumpur on November 21, 2015. Terrorism and territorial tensions are expected to dominate discussions when Asia-Pacific leaders reconvene for a fresh round of summitry in Malaysia on November 21.    AFP PHOTO / ADEK BERRY        (Photo credit should read ADEK BERRY/AFP/Getty Images)