Commissions for buildings and works of art from public authorities or private clients are an important means of promoting art in public areas, and they offer artists the opportunity of realising projects in an architectural space outside that of the museum. For the architects these artists often provide the first interpretation of the emerging architecture with its spatial functions, and in this way they generate so-called "hybrid zones" because the architectural function can also be perceived as a work of art in the context of public art.This book presents in text and image some 20 interventions and projects in Basel and Zurich, created from the 1990s to the present day. Cross references to other European cities help to provide an overview of the international debate, and it initiates a controversial discussion on the present and future possibilities for art and building through statements and text contributions. These are provided by architects including Diener & Diener, Herzog & de Meuron, Peter Márkli, Morger & Degelo, artists such as Renée Levi, Jean Pfaff, Rémy Zaugg, art historians and other experts in relevant fields.In autumn 2003 there will be an exhibition in Basel and Zurich devoted to this topic.