City riffs : urbanism ecology place City Riffs traces the changing perspectives of urban design within an ever changing global context. Moving between sixteen cities the book also considers trans disciplinary aspects of urbanism; formal and informal growth in Kumasi and Caracas post colonial structures in New Delhi and Prague post urban phenomena in Detroit and Brussels; cultural transitions in Antwerp and Salzburg; the changing nature of place in Seoul and Mostar; and new ecological realities in New York and Rome. Urbanism is viewed as the production of space integrating aspects of design ecology and engineering as well as other influences on urban cognition such as social economical and psychological interactions. As it covers a wide range of places and methods this book will be an asset to anyone who works on lives in or thinks about cities.