The current whirlwind of diplomacy and negotiations will not end with "a sincere and complete disarmament," but with "a reduced North Korean nuclear threat," said Thae Yong-ho, who fled his post as the North's deputy ambassador to Britain in August 2016.
An analysis Monday by the 38 North website said commercial imagery taken last week showed several operational support buildings had been razed, and rails for mining carts apparently removed.
North Korea said it will dismantle its Punggye-ri test site between May 23 and 25 in the presence of local and international media.
What are the implications of the moves?
Full details are available on audio news.