"Sites & Signs" is a comprehensive monograph by Swiss photographer Georg Aerni, showcasing an impressive collection of his work. Aerni, who originally studied architecture at ETH Zurich and worked as an architect, has dedicated himself to photography since the 1990s. In his images, he captures the human-designed living spaces in various cities and landscapes, including metropolises like Hong Kong, Paris, Tokyo, and Mumbai, as well as alpine glaciers and zoological enclosures. This publication not only offers a wide selection of Aerni's photographs but also includes a complete catalog of works and essays that illuminate the artistic context and the quality of his unique photography. The combination of visual art and well-researched texts makes this book a valuable resource for art and photography enthusiasts.