Watch as the world's cities rise and fall over 6,000 years

Recent research, published in the journal Scientific Nature Data, transcribed and geocoded nearly 6,000 years (from 3700BC to AD2000) of human population data. The report provides a gargantuan resource for scholars hoping to better understand how and why cities rise and fall – and allowed blogger Max Galka to map the changes on a his site Metrocosm.

The rise and fall of great world cities: 5,700 years of urbanisation – mapped

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