Recurring Dark Ages

[ardelfi]

The Recurring Dark Ages: Ecological Stress, Climate Changes, and System Transformation -- Sing C. Chew
1. Fertile Crescent (Египет~Месопотамия) -- 2200~1700BC -- 5 веков
2. Eastern Mediterranean (Греция~Израиль) -- 1200~700BC -- 5 веков
3. Classical Dark Age (Рим~Европа) -- 400~900AD -- 5 веков