Plot synopsis: The fifth project of the Living Architectures series, Inside Piano is composed of three films on three symbolic buildings of Renzo Piano's career. A visit throughout the prototype-building of the Centre Pompidou. An immersion in the soundproof world of a submarine floating in the depths of the Parisian underground. A journey aboard a luminous magic carpet of a highly sophisticated architectural machine. A humorous, caustic and quirky point of view.