"I'm sure we'll just go on & on"

Celebrations are being held to mark the 60th anniversary of the world's highest peak being conquered: http://www.bbc.co.uk/news/world-asia-22701744

Edmund Hillary of New Zealand and Tenzing Norgay of Nepal reached the top of Mount Everest on 29 May 1953.

On his return to London, the man who became Sir Edmund answered questions from BBC listeners - here are some of them.