A revolution through images: the Arles photo festival

The artistic director of the 'Rencontres d'Arles' photo festival, François Hébel, joins us to talk iconic images and how photography is pushing the boundaries of creativity. We take a look at the most memorable photos from the best exhibitions on display: 'From Here On', 'New York Time Magazine: 30 years', 'Mexico: Photography and Revolution' and 'Chris Marker'.