Dave talks to his mum, June Hoy, about her experiences running an adventure playground in the seventies and about how she remembers Mark Sullivan. He also asks both his parents The Big Questions.
The Family Tree's Cuttings discuss the real issues raised in the show with special guests from podcasting, journalism and the arts. They are also a space to platform listener information. If you know anything about what happened to Mark, you can call 0203 290 0592. Please be aware that your message may be played on the show.
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