Hidden dimensionThe second book of Edward Hall, Cultural Anthropology Trilogy. This book introduces a new concept called "Proxemix" to sharply observe how the way people use space can affect private and business relationships, cultural interactions, architecture, urban planning and urban redevelopment. . It also explains how to use space to reduce various adverse effects caused by space, a core dimension of modern society, through various experiments and observations, such as the results of animal behavior research.