...this week: Céline has opened up in Stockholm. The Danish artist Thomas Poulsen, better known by the opaque moniker FOS, has put his touch on the furniture and decor for the space. Love his towering Street Lamp, an elegant wood-and-bronze light fixture anchored in a mound of rough concrete. ___ Address: Mäster Samuelsgatan 5, 111 44 Stockholm Phone: 010-220 34 60