Second of twoprogrammes Adventure: The Climbers Tonight, two contrasting climbs - and not a snowflake in either of them.
First, on the small island of Foula, the most remote of the Shetlands, is the highest sea-cliff in Britain - the unclimbed 1,300ft Kame.
Seventeen-year-old
Abigail Mann , a keen but inexperienced climber, heard about the Kame; in three months she put together an expedition of some of the best climbers in the country.
Second, Catherine Destivelle , one of the fastest freestyle climbers in the world, relies on perfect co-ordination and her steely finger-tips as she defies gravity on a wind-swept Saharan rock-face.
Far below, the local people watch in amazement.
First shown earlier in the year, this film has aroused considerable interest. Film editor BRYCE CLAYTON Producers SID PEROU and TIM SLESSOR