In Photos: North Korea’s Nuclear Testing Facility

Controlled explosions at North Korea’s nuclear testing facility at Punggye-ri were carried out in front of international media, but no independent international observers were invited.
Photograph: News1 via Getty Images

A military official explains the demolition process at the Punggye-ri nuclear facility. North Korea has used the site for all six of its nuclear tests.
Photograph: News1 via Getty Images

A soldier stands guard in front of the third tunnel of the Punggye-ri nuclear test site. The most recent nuclear test at the site in September produced a 6.3-magnitude earthquake.
Photograph: Reuters