When Danny Boyle needed a stadium towering Grim Reaper for the London 2012 Olympics opening ceremony, he called on puppet maker Mark Down.

As artistic director of the small, London-based puppet company Blind Summit, Mark and his team are used to tall demands.

But he admits there have been plenty of challenges ahead of the company's current co-production - accompanying the LA Philharmonic Orchestra in a performance of Peter and the Wolf at the Hollywood Bowl.

Video journalist: Alex Stanger