A handout picture released by the official website of Iran's presidency office shows Iranian President Mahmoud Ahmadinejad during his visit to Natanz uranium enrichment facilities some 300 kms, south of the capital Tehran on April 8, 2008. Iranian President Mahmoud Ahmadinejad annonced today that Iran is starting work to install 6,000 new uranium-enriching centrifuges at its nuclear plant in Natanz. Getty Images logo Getty Images 15 months ago

A handout picture released by the official website of Iran's presidency office shows Iranian President Mahmoud Ahmadinejad during his visit to Natanz uranium enrichment facilities some 300 kms, south of the capital Tehran on April 8, 2008. Iranian President Mahmoud Ahmadinejad annonced today that Iran is starting work to install 6,000 new uranium-enriching centrifuges at its nuclear plant in Natanz.