Brunei's Sultan Haji Hassanal Bolkiah (front) arrives at the venue of his 72nd birthday get-together celebration held in Bandar Seri Begawan, capital of Brunei, July 29, 2018. People attended get-together activities to celebrate the 72nd birthday of Brunei's Sultan Haji Hassanal Bolkiah in the capital on Sunday. (Xinhua/Jeffrey Wong)

Brunei's Sultan Haji Hassanal Bolkiah (C) shakes hands with people during his 72nd birthday get-together celebration held in Bandar Seri Begawan, capital of Brunei, July 29, 2018. People attended get-together activities to celebrate the 72nd birthday of Brunei's Sultan Haji Hassanal Bolkiah in the capital on Sunday. (Xinhua/Jeffrey Wong)

Dancers perform during the 72nd birthday get-together celebration of Brunei's Sultan Haji Hassanal Bolkiah in Bandar Seri Begawan, capital of Brunei, July 29, 2018. People attended get-together activities to celebrate the 72nd birthday of Brunei's Sultan Haji Hassanal Bolkiah in the capital on Sunday. (Xinhua/Jeffrey Wong)