Daunting engineering and waste-management operation begins along north-east coast after world's most expensive disaster
Jonathan Watts in Kamaishi and Julian Borger guardian.co.uk, Wednesday 11 May 2011 19.53 BST
Japan is set to make the traumatic leap from being one of the world's most generous aid donors to one of its biggest aid recipients as it begins the mammoth task of cleaning up the wreckage left by the 11 March earthquake and tsunami.
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