Quirquincho armadillos in Bolivia
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Armadillo instruments divide opinion in Bolivia

13 February 2013 Last updated at 10:59 GMT

For generations, Bolivians have used a highly endangered species of armadillos known as quirquinchos to make musical instruments for the carnival in the western city of Oruro.

But now the police are trying to stop the killing of the animals.

Daniel Gallas reports.