Gravity was a stunning piece of cinema, brought to life by some beautiful special effects. In this video show'n'tell, VFX company Framestore reveals how it achieved some of the most breathtaking scenes.

There are layers of complexity here that simply melt away when you're actually watching the film. Indeed, as a viewer, it's difficult to imagine the multiple renderings and computer animation that's required across the board to the make the final product so realistic-looking. Incredible. [YouTube]