Iran Pickaxe nuclear site construction surge as US weighs strike on buried facility

Amid a dangerous new escalation in the Middle East, a suspected Iranian nuclear facility buried deep beneath a granite mountain has become a focus of attention. Satellite imagery has revealed a sharp surge in construction activity as the US weighs options to strike Iran's most heavily protected underground sites.According to an analysis by the Center for Strategic and International Studies (CSIS), cited by CNN, the Pickaxe Mountain facility near Iran's Natanz nuclear complex has seen "a clear surge in construction activity" this year.