Satellite imagery shows that North Korea has *already started to dismantle its Punggye-ri nuclear test site.
According to U.S.-based North Korea monitoring website 38 North,.... several key operational support buildings have been destroyed... and some rails for mining carts have been removed.
Other more substantial buildings around the facility remain intact.... and no tunnel entrances have been permanently shut down yet.
38 North says.... this is expected to be because the complete destruction of the tunnels and the removal of facilities.... are to be shown to foreign journalists next week.