Rob Krulwich wrote a nice article where he credits Tim de Chant for wondering if we put the whole 7 billion people on the Earth in one city, how large would that city be? Well that depends on how dense the population will be. Is it packed like Hong Kong
or like Houston Texas? With some calculations he came up with the following infograph (see my post on December 19 on infographs by clicking here ):
If you would like to see the whole article, click here.
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