Migration of the Kamishi

the long version

In the Fifty-First Century, the planet has recovered from a three-thousand-year-old wound -- an asteroid strike. In the middle of the Twenty-First Century, the asteroid Apophis struck the planet and wiped out civilization in a disaster of biblical proportions. All technology -- communication, transportation, power, everything -- was lost. Faced with the choice to rebuild the past as it was, or to live a simpler life in harmony with nature, the few survivors chose harmony.