The requested article about architect Jean Nouvel's work on reinventing the Cartier Foundation at Palais Royal cannot be accessed or rewritten at this time. The original source material shows only an access denied error message from the server.

The URL suggests the article was published on Les Echos, a French business newspaper, and likely covered Jean Nouvel's architectural project involving the Cartier Foundation for Contemporary Art and its connection to the historic Palais Royal in Paris.

Without access to the original article content, it is not possible to provide the detailed information about Nouvel's specific plans, design concepts, or timeline for this cultural project. The article would likely have included quotes from the renowned architect, details about the renovation or redesign plans, and context about the prestigious location.

To obtain this information, readers would need to access the original article directly through Les Echos or find alternative sources covering this architectural and cultural development.