‘It’s the Bayeux tapestry of TV!’ After six decades, the seminal series bows out with 70 Up

<p>The ‘hugely important artefact’ that’s followed 14 children since they were seven is set to air its final instalment. The now-septuagenarians and director Asif Kapadia talk about breaking new ground for 63 years – and changing TV forever</p><p>Described as the Bayeux tapestry of