North Korea Blows Up Tunnels At Punggye-Ri Nuclear Test Site

(CNN) — North Korea destroyed at least three nuclear tunnels, observation buildings, a metal foundry and living quarters at its Punggye-ri nuclear test site on Thursday, in a process observed by invited international journalists.
A CNN crew at the remote mountain site in the country’s north witnessed the destruction of nuclear tunnels 2, 3 and 4 from observation decks about 500 meters away.
They were among two dozen journalists invited into the country to observe the destruction of t