Iran Shielding Its Nuclear Efforts in Maze of Tunnels – NYTimes.com

Last September, when Iran’s uranium enrichment plant buried inside a mountain near the holy city of Qum was revealed, the episode cast light on a wider pattern: Over the past decade, Iran has quietly hidden an increasingly large part of its atomic complex in networks of tunnels and bunkers across the country.

via Iran Shielding Its Nuclear Efforts in Maze of Tunnels – NYTimes.com.