Piotr Czyrullo and family in the forest
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The Polish paramilitaries preparing for war

Some 100,000 people have now joined paramilitary organisations in Poland. Others - so called "preppers" - are learning how to survive a possible invasion.

Now the Polish government hopes these "pro-defence" groups will form the backbone of a new reserve force to help the professional army.

Those thinking of signing up explain why.

Find out more

  • Poland's Amateur Defenders was broadcast on BBC Radio 4 on Thursday 11 August. You can listen again on iPlayer here, or you can listen to a shorter version for Assignment on the BBC World Service here.
  • 11 Aug 2016