Paris’s new exhibition space the "Arche du photojournalism" shines a light on the documentary work of Eugene Richards, while the Carla Sozzani gallery shows the images selected for the World Press Photo of the year. Also, Paris's Notre Dame sheds a new light on the traditional war memorial, as the cathedral is illuminated with special projections in memory of fallen soldiers on Remembrance Day weekend. And we catch up with the hip-hop collective that's made positive vibes a part of their personal brand: Arrested Development chat to us about 25 years in the music business.