23. Bölüm: 23. Bölüm

Bölüm Konusu

The world's car manufacturers are shifting gear and heading for greener pastures. They're designing, building and selling more and more hybrids and electric vehicles and that means they need more and more of a very precious metal for their batteries. But where's The Big Celldorado? A remote, beautiful and vast salt pan high in the Bolivian Andes. Problems? You bet!