The Russian adventurer who is heading to the stratosphere - BBC News
Fedor Konyukhov is seeking a high-altitude hot-air balloon record, with the help of an 80-year-old Scot.
The 67-year-old Russian Orthodox priest has conquered the North and South Poles, scaled Mount Everest twice, rowed across the Atlantic and Pacific Oceans, and sailed solo around the world four times.
But his latest adventure is special, even by his standards.
In the spring, Mr Konyukhov will attempt a world high-altitude record for a hot-air balloon.
He will be using equipment designed and built by Bristol-based Cameron Balloons - the same company which propelled him around the world in a balloon in record time in 2016.
Taking off from a site in Western Australia, Mr Konyukhov will try to reach 25km (82,000ft) - more than twice the height at which commercial airliners typically fly.
If all goes according to plan, he will be up and down within a day.