Experts Warn: Iran’s Pickaxe Mountain Nuclear Bunker Defies Air Strikes, May Force Ground Action National security analysts and nonproliferation experts are raising alarms over Iran’s Pickaxe Mountain facility, a deeply buried underground complex near Natanz carved into solid granite. Satellite imagery reviewed by the Institute for Science and International Security shows ongoing fortification of tunnel […] The post Experts Warn: Iran’s Pickaxe Mountain Nuclear Bunker Defies Air Strikes, May Force Ground Action first appeared on The Zambian Observer .