Take a look at the annual Shangri-La Dialogue in Singapore. Delegations from more than 30 nations are present at the three-day event.

Thai Prime Minister Prayut Chan-O-Cha will deliver a keynote address. A series of open and closed-door talks will be held, and key topics include regional relations, nuclear non-proliferation and counter-terrorism.

Admiral Sun Jianguo, vice chief of staff of China's People's Liberation Army, is leading the Chinese delegation. He is scheduled to deliver a speech on Sunday.