Satellite imagery shows that North Korea has *already started to dismantle its Punggye-ri nuclear test site.<br /> 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.<br />Other more substantial buildings around the facility remain intact.... and no tunnel entrances have been permanently shut down yet.<br />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. <br />