The site's identification comes just one week after Trump's historic summit with Kim in Singapore, where the two leaders signed a joint statement that said the US would give Pyongyang unspecified "security guarantees" and Kim would remain committed to "complete denuclearization of the Korean Peninsula".
The leaders discussed denuclearisation, KCNA said, while Kim was also thought to have briefed Mr Xi on his historic summit with Donald Trump last week.
The survey was conducted immediately after Trump concluded a one-day meeting with Kim, the first between a usa and North Korean leader in six decades of hostility, at which they agreed North Korea would work toward denuclearization in exchange for US security guarantees.
"It's necessary for North Korea to present far more concrete denuclearization plans, and I think it's necessary for the United States to swiftly reciprocate by coming up with comprehensive measures", Moon said.
Whether or not the Mass Games are devoid of insults to the United States, it is unlikely that any Americans will see the event in person, as American citizens have been prohibited from traveling to North Korea since the death of Otto Warmbier.
During his latest visit, Kim was accompanied by his top economic official, Premier Pak Pong-ju, on a visit to the Chinese Academy of Agricultural Sciences.
Between 1990 and 2005, the United States was granted the repatriation of 229 sets of remains from the North under an earlier agreement that was subsequently suspended when ties between the two countries deteriorated.More news: Lovren ready for World Cup showdown with Messi
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During their Singapore summit, Mr Kim, who is Chairman of the State Affairs Commission, promised complete denuclearisation of the Korean peninsula in return for security guarantees from Mr Trump.
The US and South Korea said on Tuesday they had agreed to suspend a joint military exercise scheduled for August.
2 of 9 A South Korean building complex is seen in the background as North Korean soldiers guard the truce village at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018.
"The momentum for dialogue and easing of situation on the Korean Peninsula has been effectively strengthened", Xi said.
Even among Republicans, just 25 percent say they're very confident that North Korea will eventually agree to a deal to give up its nuclear weapons.
Secretary of State Mike Pompeo reportedly shared a mutual laugh with North Korean leader Kim Jong Un on their first meeting that he would go on to describe as a success - despite joking that he was trying to kill Kim.
In Washington on Wednesday, U.S. Defense Secretary Jim Mattis told reporters that discussions were continuing on obtaining the remains of U.S. troops.