Why do so many pianos end up in landfill?

Is there a piano in your life? Does it still get played? Or does it sit silently in the corner, gathering dust while you decide what to do with it?Those in the piano industry estimate at least 3,000 pianos are sent to landfill each year in Australia, often because they're costly to maintain, difficult to move, and hard even to give away.So what can you do with a piano that's at the end of its life?We meet two people giving unwanted pianos a second chance.