Police officers walk past the front of the main stadium ahead of the upcoming Asian Games at Gelora Bung Karno sports complex in Jakarta, Indonesia, August 16, 2018.

Indonesian military personnel gather at the Gelora Bung Karno stadium, ahead of the 2018 Asian Games in Jakarta, Indonesia August 16, 2018.

A firefighter stands during a drill at the main stadium ahead of the upcoming Asian Games at Gelora Bung Karno sports complex in Jakarta, Indonesia, August 16, 2018.

A labourer works to attach the signage outside a merchandise store ahead of the upcoming Asian Games at Gelora Bung Karno sports complex in Jakarta, Indonesia, August 16, 2018.

Girls wearing traditional costume stand in front of the logo of the 18th Asian Games at Gelora Bung Karno sports complex in Jakarta, Indonesia August 16, 2018. REUTERS/Issei Kato

Indonesian military personnel gather at the Gelora Bung Karno stadium, ahead of the 2018 Asian Games in Jakarta, Indonesia August 16, 2018.

Indonesian soldiers gather at the Gelora Bung Karno stadium, ahead of the 2018 Asian Games in Jakarta, Indonesia August 16, 2018.

People take pictures next to an installation sign promoting the 18th Asian Games in central Jakarta, Indonesia, August 15, 2018. Picture taken August 15, 2018.

Girls wearing traditional costume stand ahead of the 18th Asian Games at Gelora Bung Karno sports complex in Jakarta, Indonesia August 16, 2018.

Indonesian soldiers gather at the Gelora Bung Karno stadium, ahead of the 2018 Asian Games in Jakarta, Indonesia, August 16, 2018.

People take pictures next to an installation sign promoting the 18th Asian Games in central Jakarta, Indonesia, August 15, 2018. Picture taken August 15, 2018.

Indonesian soldiers walk past mascots of the 2018 Asian Games at the Gelora Bung Karno stadium in Jakarta, Indonesia, August 16, 2018.

Volunteers wait for transport inside the Gelora Bung Karno sports complex, ahead of the 2018 Asian Games in Jakarta, Indonesia, August 16, 2018.

Firefigters take part in a drill at the main stadium ahead of the upcoming Asian Games at Gelora Bung Karno sports complex in Jakarta, Indonesia, August 16, 2018.

Volunteers pause at the wrestling event venue of the 18th Asian Games at Gelora Bung Karno sports complex in Jakarta, Indonesia August 16, 2018.