Natasha Raskin Sharp visits Heanor, where she takes a look at the history of the semi-precious gemstone Blue John. Catherine Southon and Thomas Forrester assist the teams. Show more
Discover 11,128,835 listings and 280,063 playable programmes from the BBC
Natasha Raskin Sharp visits Heanor, where she takes a look at the history of the semi-precious gemstone Blue John. Catherine Southon and Thomas Forrester assist the teams. Show more