Prime Minister Jacinda Ardern is among 21 world leaders attending the Asia-Pacific Economic Cooperation (APEC) summit.
Held in Da Nang, Vietnam, the discussions will be focused on economic and trade issues.
Among the big names attending are US President Donald Trump, Russian President Vladimir Putin and Chinese President Xi Jinping.
Jacinda Ardern, Donald Trump and Canadian Prime Minister Justin Trudeau are among those attending for the first time.
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