At the heart of Britain sits something so all pervasive we don't even notice it's there - the national electricity grid. This three-part series charts how our lives got wired and the impact electrification has had.

In this documentary, the presenter and art critic Matthew Collings explores how Turner, the artist of light, makes light the vehicle of feeling in his work, and how he found inspiration for that feeling in the waters of the River Thames.

How Yellowstone's Indian tribes were displaced to create this great American wilderness.

http://www.imdb.com/title/tt0052357/