The works of Sou Fujimoto resist any form of conventional categorization. This young Japanese architect stands for unconventional buildings that cannot be described by standard criteria and definitions such as inside/outside or public/private. Clear divisions such as between floor levels and rooms are shattered by his complex ground plans and interlocking structures which--in a reference to the idea of the cave--he describes as -primitive future.- With this approach he creates forms that are committed to a playful interaction between user and space. Alongside private residences, such as the...