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thumb|Figure 1. Villages such as Banpo reveal an emerging food production economy that revolved around climate evolution.]]__NOTOC__
Climate does not only sometimes push societies to leave their major cities, which some call collapse, but it also helps societies adjust to a new normal, where food production and even tastes begin to modify based on climate. This is evident in China, where ancient China often did not resemble more recent periods in regards to climate and environmental conditions. Nonetheless, these changes have enriched and brought different layers of social change on Chinese society that have influenced modern China. We can see that modern societies are sometimes composed of layers of different past social but also environmental change that forges new social identities.