Designed in an era when cars ruled city planning, the original design of La Part-Dieu was an introverted behemoth – it was among the largest urban shopping centres in Europe, yet had little connection to the streets around it. The transformation replaces the old car park and rearranges the building’s interior spaces to rationalise circulation, while new extensions also add an extra 32,000 square metres of leasable space to the existing 130,000 square metres.

Another significant element of the transformation is found on the roof: grand staircases rise next to the shopping centre’s main entrances, leading to a multi-level rooftop garden that connects three sides of the building. With restaurants and cafés as well as green spaces, comfortable seating, and play areas for children, this rooftop and terraces become a true piece of the city, connecting parts of the city – including the city’s main Part-Dieu train station – that were previously detached from one another. People can now take multiple routes through or over the building to cross the vast site; the shopping centre becomes a kind of public plateau, a vantage point that allows people to orient themselves within the city.