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Archeologists accompanying the construction of a Santiago metro project found vestiges from 13,000 years ago. The discovery reveals the presence of nomadic populations in the valley of the Chilean capital. Among the pieces found, which date from the archaic period (11,000-300 BC), there are eight human skeletons, stone spearheads, seeds and fragments of camelid bones, among other vestiges. Before these excavations, the existence of nomadic populations was only known in the mountain range and on the coast of what is now central Chile.