Single-use zoning and planning for different functions was thought to be efficient, but we now know that most office buildings are grossly underoccupied, with only 30% to 40% of their workspace used in a typical work day, never mind the gross inefficiencies of time and energy spent on large scale mass commuting.

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In 18th- and 19th-century Europe, operas were a popular form of large-scale, mass-market entertainment.

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The Culture for Development Indicator Suite (CDIS) provides a timely response to these challenges, building on the current favourable political context, greater capacity for data collection, and the critical mass of field experiences from large-scale projects.

UNESCO: Culture for Development Indicators

Opponents point out that unlike areas in other countries, mass transit is only economic viable in areas with sufficient density and that on a large scale, massive public transit programs have no chance of becoming self-sufficient.

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