He said, if North Korea takes bold action to quickly denuclearise, the United States is prepared to work with North Korea to achieve prosperity on par with South Korea.
North Korea's Foreign Ministry said Saturday that all of the tunnels at the country's northeastern testing ground will be destroyed by explosion, and that observation and research facilities and ground-based guard units will also be removed. But North Korea has said it's willing to talk now because it's already succeeded in becoming a nuclear-armed state, fueling skepticism that the North would truly being willing to give those weapons up.
After a year of sharply rising tension and fears of war over North Korea's defiant nuclear and missile tests, inter-Korean relations have improved dramatically this year.
"Especially in South Korea, the people, they are very optimistic about it because President Moon is very popular with the Koreans", said Yoon. "And that will be a part of conversation that President Trump will have going into the summit".
This week the North released three Korean-Americans it had detained into the care of Secretary of State Mike Pompeo, who was making his second trip to Pyongyang in two months.
It was the most sensational defection by North Koreans in years: In April 2016, South Korea announced that 12 young waitresses and their male manager, all members of North Korea's elite, deserted their government-run restaurant in China and fled to the South.
South Korea said at the time they had defected out of admiration for South Korean society. "If that happens, it could give North Korea an opportunity to try to drive a wedge between Seoul and Washington", said Denmark, now a director at the Wilson Center, a think tank in the USA capital. Seoul's Unification Ministry has said it hopes to solve the abductees issue through future inter-Korean talks and global efforts, but has not announced specific plans.More news: After transfer from Ohio State, Joe Burrow will have plenty of options
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Foreign journalists will be allowed to conduct on-site coverage, which the Foreign Ministry says will show in a transparent manner.
All of his mom's family lives in South Korea, and he anxious for their safety while Kim Jong Un was threatening to launch nuclear weapons.
In an English-language statement carried by the state-run Korean Central News Agency (KCNA), the foreign ministry detailed the country's plans to shut down its Pyunggye-ri nuclear test ground.
President Trump announced he will meet with Kim Jong Un in Singapore on June 12th.
That was also when South Korea began deploying anti-ship missiles and strengthening its fleet of patrol ships in its western seas, which made North Korean hijacking operations more hard, analysts say.
All six of North Koreas nuclear tests have taken place deep under the mountain at Punggye-ri, with five of them occurring in the tunnel complex accessed through an entrance known as the north portal.
North Korean defectors often cross China into Southeast Asia before trying to reach South Korea.