[Ráfaga] Nº178: emigration, wifi, subway, monkeys, Netherlands

[Jorge Sanz]

* Infographic: "Dead at the borders: the sad registry of the 'Europe Fortress'"
  http://www.lemonde.fr/international/visuel/2015/08/28/morts-aux-frontieres-le-triste-bilan-de-la-forteresse-europe_4739448_3210.html

* The looks of big cities according to the density of WiFi access points
  http://blog.skyhookwireless.com/company/mapbox-visualizes-location-with-wi-fi-access-points-using-skyhook

* The longest trip you can do at NYC subway: 250km in 14 hours
  http://www.citylab.com/navigator/2015/09/a-man-rode-the-longest-nyc-subway-ride-so-you-dont-have-to/403924/

* GIS techniques applied to the study of stone tools used by wild chimpanzees
  http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0121613

* Netherlands population density compared with some urban areas
  http://brilliantmaps.com/empty-netherlands/

Raf