This ground-breaking quarterly publication acts as an international forum for practitioners and academics by publishing cutting-edge research covering all aspects of architectural endeavour. Fully illustrated throughout, Architectural Research Quarterly includes sections on design, history, theory, environmental design, construction, information technology, and practice. Other features include occasional reports, letters pages and an end feature, Insight. There is also the Architectural Research Quarterly Directory - a listing of specialist research and consultancy with an online, cumulative version which aims to provide a lasting and invaluable resource for all. Articles in this issue include: The aesthetics of gravity; The individual and mass housing: the delicate balance; The Atacama desert's last nitrate cities; Following the crowd: spatial layout and crowd behaviour; Building methods in the architecture of Aalvaro Siza.