by Saul Bolivar:

In recent decades, urban centers have become increasingly dense, literally and metaphorically. Population density is well understood as the number of people residing within a given area, and physical density denotes manmade features of the landscape such as buildings, bridges, freeways and the like.

But urban density can also be conceived more metaphorically, as concentrations of varied social and cultural influences, for example. Social or cultural density is the reaction and adaptation that occurs when one subcultural group interacts with another in the city. In this latter mode of conception I propose an additional aspect of urban density: the visual.

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