viernes, 18 de abril de 2014

The global flow of people.

Pulsa en la imagen para acceder a la infografía.

Circular plot of migration flows between and within world regions 2005-2010. Tick marks show the number of migrants (inflows and outflows) in millions. Only flows containing at least 170,000 migrants are shown. Credit: Abel et al. 2014, Science/AAAS

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