Why has gold got so expensive?

Many of us own jewellery or other items that are gold coloured, but do you own anything that is made from real gold? Gold is a precious metal, which means that there is a limited supply in the world. This not only makes it expensive, but also means that it holds a relatively stable value. So, why are investors interested in it, and should the rest of us start buying more of it? Georgie and Phil discuss this and teach you some new vocabulary. 6 Minute English now has a VIDEO VERSION! 6 Minute Eng