Apart from those other riders there is a whole production team [ of The Fourth Phase] behind the cameras too, hauling hundreds of kilos of fragile and awkward filming equipment up those same frozen landscapes. They're the real heroes.

We're all doing what we love. It's how we express ourselves - operating in a space where you don't know if something is possible or not.

There's no doubt 'normal' is changing - spring actually came a month early in Alaska, for example, and we had to stop filming.

Experiencing the world through Endless secondhand information isn't enough. If we want authenticity we have to initiate it.

If we want authenticity we have to initiate it.

I'm passionate about capturing amazing snowboarding action. I get so much out of the artistic endeavor of even getting one amazing shot in a pristine environment, using specialist cameras to showcase how fun and dynamic snowboarding is. That's what I live for.

Bryan [Iguchi] had this beautiful philosophy about our connection with these incredible cycles. There's a line from one of his poems that always stays with me about 'This process we follow; this cycle we ride' and it's almost become a strap line for the film.