Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population. ...

Cities are 2% of the earth's crust, but they are 50% of the world's population. (Carlo Ratti)

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Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.

Carlo Ratti Quotes: Cities are 2% of the earth's crust, but they are 50% of the world's population.