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Little terraforming was done on Callisto and as such it remains a cold and desolate natural satellite. Existing on the outskirts of inhabited space, Callisto has become a refuge for illegal groups and trades, and the population is almost entirely male. As such there are also very few families or children.
The city on Callisto seems to be mainly Russian, or at least influenced by Russian culture, as most of the street signs are written in Russian. The people on Callisto often wear parkas and ushankas, and the climate is cold and snowy, all images often associated with Russia.