Flying high in the Swiss Alps. The fun and games of a Rhondda childhood. There's a connection between the two - in John Geraint's mind anyway. And it leads him to consider how those who live beneath mountains despoiled by coal waste deserve better. It's shameful for them to be left worrying daily about whether they and their loved ones are in mortal danger. Coal made Britain rich. For the Valleys that produced it, it's payback time!