Tony Robinson and team head to the Lake District on an expedition that takes them both higher and deeper than they've ever dug before. They're on the trail of a forgotten piece of the nation's industrial heritage: the Lake District used to be a major source of valuable copper.

It's like Netflix for history... Sign up to History Hit, the world's best history documentary service, at a huge discount using the code 'TIMELINE' ᐳ http://bit.ly/3a7ambu

You can find more from us on:

  / timelinewh  

  / timelinewh  

This channel is part of the History Hit Network. Any queries, please contact [email protected]