'Millions of unexploded shells after WW1'
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Uncovering the unexploded shells of World War One

As the Battle of Passchendaele is remembered, one man describes his work on a potentially lethal legacy of WW1 - unexploded shells.

Of 1.5 billion shells fired, experts believe one in three did not detonate - meaning around 500 million unexploded devices were lying in the fields of Flanders when the war ended.

  • 31 Jul 2017
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