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How World Cup grass is 'injected'

David Nicholls of Dutch firm Desso explains how his company has prepared a hybrid pitch for one of the World Cup's flagship stadiums.

Hybrid pitches, which mix natural grass with man-made fibres, have become standard in English Premiership football.

David Nicholls of Dutch firm Desso - one of the companies that specialise in making this kind of pitch - explained to BBC News how they constructed one for one of the flagship stadiums of the World Cup in Brazil.

Video Journalist: Dougal Shaw