Eleven-Soro
Eleven-Soro is a world that had a high technology and then a massive crash. A strange introverted new culture has emerged, with women living alone and unwilling to talk to visitors. The post-collapse culture is described in the short story "Solitude" which appeared in The Birthday of the World. Its people are of Hainish descent and briefly had the maximum population density of any known planet, with
- The greatest cities ever built on any world, covering two of the continents entirely, with small areas set aside for farming; there had been 120 billion people living in the cities, while the animals and the sea and the air and the dirt died, until the people began dying too.
Read more about this topic: Terra (Hainish Cycle)