成人快手

Could our urban streets actually be paved with gold? We meet the team getting precious metals from the dust under our feet. Plus: why treasure hunters spend their days scouring the landscape for ancient finds, and how metal detecting is gaining in popularity, and proving a boost for manufacturers.

We hear from Richard Higham, amateur metal detectorist, Vincent O'Brien from Minelab International, Dr Michael Lewis, expert in antiques and treasure at the British Museum, and Richard Kirkman from Veolia Environmental Services.