Nothing Mr ElBaradei's men say looks able yet to dispel the cloud of Iranian secrecy and Western suspicion that hovers over Iran's nuclear programme.

ECONOMIST: Nuclear proliferation

Its workers, who were sworn to secrecy, could have survived down here for three months in the event of a nuclear attack.

BBC: Remnants of Russia��s past

The air of secrecy is compounded when you try to approach workers involved in the nightmarish task of stabilising the nuclear plant.

ECONOMIST: Cleaning up Japan��s nuclear mess