Now to that iPhone or, really, any mobile phone.

Prices of these devices have dropped in recent years and more and more people all over the world are now able to get their hands on them.

But as we rush to upgrade and get the latest gadgets, what happens to all our old phones?

The answer is, many of them are finding their way to Africa - and the environment is suffering as a result.

The BBC's Tamasin Ford reports from Abidjan in Ivory Coast.