Amber
Media playback is unsupported on your device
Video

Are amber's golden days numbered?

Amber has long been used to make jewellery or ground into a powder for traditional medicine.

In Asia, it is believed to bring luck.

Strong demand especially from China, has driven up prices, making the colourful resin worth more than its weight in gold.

But some traders fear risky times ahead, as the BBC's Sarah Toms reports.

  • 05 May 2016
Go to next video: What's the best way for firms to expand?