Behind the scenes with Gravity's special effects

The film Gravity starring Sandra Bullock and George Clooney has already won a host of awards for its awe-inspiring special effects.

BBC Click spoke to the film's director Alfonso Cuaron and some of the team at Bafta award-winning effects house Framestore about why recreating zero gravity on Earth was a long and painstaking process.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.