K.S. Rajan (10 Jan 2012)
"Iran to Launch Nuclear Work in Bunker in 'Near Future'"

"The Islamic Republic's decision to conduct sensitive atomic activities at an underground site that better protection against any enemy attacks could complicate diplomatic efforts to resolve the long-running row peacefully. Iran has said for months that it is preparing to move its highest-grade uranium refinement work to Fordow, a facility near the Shi'ite Muslim holy city of Qom in central Iran, from its main enrichment plant at Natanz."