The trek to Nepal's Everest base camp attracts thousands each year. Dr Llion Iwan explores the impact of trekking on the economy, environment and culture of the Sherpa people.
Discover 11,128,835 listings and 279,834 playable programmes from the BBC
The trek to Nepal's Everest base camp attracts thousands each year. Dr Llion Iwan explores the impact of trekking on the economy, environment and culture of the Sherpa people.
Comprehensive News and Sport, the latest information and the best entertainment for Wales.
