Parisian architecture firm Laurent Deroo Architecte designs a lot of interiors and fixtures for French fashion brand A.P.C.'s stores. These fixtures can be seen by anyone who walks into the store. But unseen by the public is this cool hideaway shelving system, also designed by LDA, at A.P.C.'s headquarters in Paris.

It's a 15-meter-long wall of folding shelves, with built-in lighting, that the company uses when deciding how to display new collections.

Here's how they get it out of the way when it's not needed:

Made of ash, plywood and steel, it was fabricated by French design/build company PEF.

Here's another adjustable shelving system LDA designed:

Pretty cool design! And not attributed to a client, so this one may just have been part of LDA's design process.