Hanoi, Vietnam (CNN) President Donald Trump embarks Wednesday on another round of high-stakes nuclear diplomacy with North Korea’s Kim Jong Un, a follow-up encounter that officials in the US and across Asia are watching with trepidation as the President works to convert personal chemistry into real progress.

After a day-long flight from Washington, Trump spent the evening in Hanoi preparing for two days of talks with Kim. Before their first greeting on Wednesday evening, Trump was due to meet with Vietnamese officials, who are hosting the session and casting their capital as a city of peace.

Later, he’ll meet up with Kim at the French colonial Metropole Hotel, the city’s finest, for their first one-on-one conversation of the summit. A small dinner — billed by the White House as a social encounter — will follow.

Trump will be joined there by Secretary of State Mike Pompeo and his acting chief of staff Mick Mulvaney.But first, Trump kicked off his day at the mustard-colored presidential palace in Hanoi where he met with Vietnam’s President and General Secretary of the Communist Party Nguyen Phu Trong and laid out the rationale for holding his second summit with Kim here.

“We (Trump and Kim) both felt very good about having this very important summit in Vietnam because you really are a good example of what can happen,” Trump said, pointing to Vietnam as the picture of a bustling and thriving economy.

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