The North Korea-watching 38 North blog said on April 30 that synthetic aperture radar data of the test site corroborates Kim's statement that two tunnels remain viable.
Given the limited space, only journalists from South Korea, China, Russia, the United States and Britain will be invited to cover the dismantling on-site, the ministry added.
According to the announcement, the site's underground tunnels will be collapsed using explosives.
Plans are also in place to block entrances and removing all observation facilities, research buildings and security posts.
"In parallel with dismantlement of the nuclear test ground, guards and researchers will be withdrawn and the surrounding area of the test ground will be completely closed", the ministry said.
Kim had previously announced his intention to dismantle the site as negotiations begin over total denuclearization.
Friday's assertion from the UN's Worldwide Civil Aviation Group (ICAO) adopted a go to by its representatives to the North Korean capital, Pyongyang, earlier this week. It will be the first meeting ever between a sitting USA president and the leader of North Korea.
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It should be noted, however, that it is not yet clear if North Korea will also allow disarmament experts to come monitor the work.
Pyongyang's pledge may open the way in which for airways to route flights by means of North Korean airspace. DPRK is an acronym for North Korea's official name, the Democratic People's Republic of Korea.
Kim previous year oversaw a string of missile and nuclear tests, drawing the ire of the worldwide community. Two of the North Korean missiles handed over the Japanese island of Hokkaido.
Pompeo spoke to reporters at the State Department following his return from a trip to Pyongyang to negotiate with the North Korean leader and retrieve three Americans held by the regime.
It is a remarkable turnaround after Trump called Kim Jong-un "little rocket man", before the North Korean leader branded Trump a "do-tard". However, a final attempt by Bush to complete an agreement to fully dismantle North Korea's nuclear weapons program collapsed that December when the North refused to accept US-proposed verification methods.
She also stressed the importance of the U.S. troops stationed in South Korea, as observers speculate Pyongyang may ask for their withdrawal.
However, White House press secretary Sarah Sanders said that she did not believe that Moon would be a part of the historic Trump-Kim summit the following month.
"I didn't see starvation like you had in the famine back in the 1990s, that's the good news".