Imagine a desert island...

Desalination is a practical solution, especially in Gulf countries, where the highest concentration of plants is located. In Saudi Arabia alone, thanks in part to Shoaiba 3, one-fifth of the world's potable water extracted from the sea is produced. Let's cut to the chase: who among you has never imagined once being on a desert island one day?

Well, there is a do-it-yourself way to make seawater drinkable without having the technology available. We are going to let Ed Stafford, a British explorer who became famous for his TV shows on DMAX and Channel4, explain it to you.

He makes it easy -- do you?