Journeys into the Ring of Fire - Series 1 - California

Iain Stewart tours the perilous and spectacular landscape of the Pacific Rim to discover how the rocks beneath our feet have shaped human history. He asks why Californians are prepared to live with potentially disastrous earthquakes, landslides and firestorms. Is their risk-taking culture a throwback to the days of the 19th century fortune seekers who came in search of gold?