Informal settlements show classic signs of self-organization into distinct components analogous to the organs of a body, like this settlement in Colombia. Similar patterns can be seen in the much-loved villages of Tuscany or Provence.
  • Salingaros, Nikos A., and Michael W. Mehaffy. "Ch 13. Self-Organization" In Design for a Living Planet: Settlement, Science, & the Human Future. Design for a Living Planet: Settlement, Science, & the Human Future. Levellers/Sustasis Press and Vajra Publications, 2015. Digital Library
NASA

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