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America's first nuclear weapons production facility has become the centre of a growing tourism industry.

More than 60 years after plutonium was first produced at Hanford, Washington state, the US government is running limited visits to the site.

Many locals are proud of their heritage, but Hanford has left another legacy: massive radioactive contamination.

And now billions of dollars of President Obama's stimulus money is being spent on cleaning up what is one of the most polluted places in America.

Rajesh Mirchandani took a tour of Hanford B Reactor.