Solar Impulse will have 'energy legacy'
Bertrand Piccard, the founder of the Solar Impulse project, believes his zero-fuel plane will have an aviation and energy legacy.
The Swiss adventurer is currently preparing for the last flight in the aircraft's global tour, which started in Abu Dhabi in March 2015 and should end in the same UAE city in the next few days.
He spoke with our correspondent Jonathan Amos, to reflect on the highlights of the journey so far and to talk about his goals for the future.
But first, the pilot described the difficulties of flying across the Saudi desert on this upcoming final stage.
22 Jul 2016