Great Barrier Reef could be David Attenborough's last 'proper' documentary

Veteran broadcaster spent a month on location, in what producer Anthony Geffen thinks will be final Attenborough 'on-the-road' documentary

David Attenborough's Great Barrier Reef could be the veteran broadcaster's last on-the-road documentary, according to series producer Anthony Geffen.

Related: 'It is fantastic, better than travelling to the moon' - David Attenborough returns to the Great Barrier Reef