There is much speculation over why Saturday's talks fell apart.
Our Kim Bo-kyoung turned to some experts for their take.
Hopes were high for the talks in Sweden... with President Trump hinting at exploring a "new method" with the North.
But the talks broke down and the North's chief negotiator Kim Myong-gil claimed Washington had come to the table empty-handed.
Opinions vary as to why the talks collapsed... but many experts believe... the North was not satisfied with the U.S. offer.
"They (North Korea) don't see much change if any since Hanoi and I think this is the crux of the problem."
Other experts point out... that the U.S. did make concessions and show more flexibility... but North Korea didn't see that as enough.
"I think the United States has brought a new method. I think United States was very flexible I think this time. Considering what the U.S. has been asking -- about Yongbyon plus alpha -- I think the alpha is something related to the extra production facility dismantlement, as in the case of Hanoi, but I think in this case U.S. was flexible."
Professor Kim adds... that Pyeongyang would think it's now Washington's turn to take steps in return for the commitments it's already made,... which include halting tests of nuclear and intercontinental ballistic missiles.
And what they want to see most from the U.S. is the lifting of sanctions.
"I think North Korea might have requested more United Nations sanctions lifting from the United States. So I think all these things are not happy with North Korea, and from the North Korea's perspective whatever new method U.S. gives is not sufficient."
It's unclear whether a "new method" by Washington will get Pyeongyang back to the table by year's end, a deadline imposed by the North.
But the North's response to the latest no-deal summit makes it seem less likely the talks will resume that soon.
Kim Bo-kyoung, Arirang News.
