今天，我们将涵盖旧石器时代晚期，我大致定义为公元前35000年到公元前8000年。
Today, we will be covering the Upper Paleolithic Period, which I am roughly defining as the period from 35,000 to 8,000 BC.
根据历史记录、地层层序关系、堆积物特征的综合分析，推测堆积物的形成时间为公元1903年。
Based on historical records, stratigraphic correlation and features of the deposits, it is estimated that the ejecta are the product of 1903 AD eruption.
库埃拉普遗迹建造于公元800年左右，建造者为印加时期之间的查查波拉斯人，它由超过400个建筑构成，这些建筑的石墙高达19米。
The archaeological site of Kuelap, constructed by the pre-Inca Chachapollas community in about 800 AD, consists ofmore than four hundred buildings with stone walls up to 19 meters (62 feet)tall.
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