The US and France

Two contrasting stories of how humans deal with the natural world. In Arizona, David Shukman is on the scene of the lethal, unpredictable blaze which killed 19 firefighters. How and why did it happen, and what effect has it had on local communities?

Anna Magnusson witnesses Transhumance 2013, a cavalcade of livestock which brought a whiff of ancient times and forest paths to the streets of Vieux Port in Marseille. This wasn't just performance art to draw the crowds - it also harks back to a rural tradition which has happened for centuries across Europe.