If you've ever wondered just what goes on behind the scenes of three of the most successful siblings in DH MTBing, what makes them tick and what motivates them, then the Atherton Project is essential viewing.

The first installment has just been released, and provides an interesting insight into their world. It's been filmed and directed by Clay Porter, and the first episode, more are planned, includes some fly-on-the-wall bits and action from the first round of the Nissan UCI World Cup in South Africa.

Watch it here.