Steve Harding-Hill of Aardman Studios
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Aardman's Steve Harding-Hill's talks about What If?

24 March 2013 Last updated at 23:52 GMT

Steve Harding-Hill is one of the top animation directors at Oscar-winning Aardman Studios, and is one of the judges for the BBC's What If? competition.

He talked to Mishal Husain about animation and his top tips for the competition.

The competition is part of the What If? season imagining what the future might hold.

The competition is now closed and the winners were announced on March 25th.