the bouroullec broth frers france are a successful design duo who have been working together for ten years but already their work is featured in some of the world's most renowned museums of modern art and design. a new exhibition in bordeaux looks at the way they work from first idea to final product. >> the arc en reve architecture museum in bordeaux has dedicated an entire exhibition to the work of french designers ronan and erwan. the show called "album" features around 800 drawings, sketches and photos. but know three-dimensional pieces. translator: we tried to present all of the documents equally without any hierarchy and we consciously decided not to show any objects because when you put objects in the room, they immediately draw the attention away from whatever else is on display. >> if the designers wanted to give the public an insight into their creative prosses. >> we decided to open our studio doors, clean out all of the cabinets and put everything on the table. often people can't begin to imagine how much work goes into each piece. >> this was one of their most time-consu