Este artículo aborda el estudio de dos estelas prehistóricas encontradas recientemente al Norte de la provincia de Sevilla. Se procede en primer lugar describiendo las circunstancias de los descubrimientos de ambas piezas, así como el marco científico-académico en el que se insertan dentro de las investigaciones que la Universidad de Sevilla vienen desarrollando desde finales de los 1980 en Sierra Morena occidental. A continuación se realiza el análisis de ambos monumentos desde el punto de vista de su morfología y simbología, caracterización tecnológica y contexto funcional, espacial y territorial.
In this paper we present an overview of the process of mapping and field surveying of an area of ancient fields and irrigation canals around the pre-Hispanic sites of Topaín, Paniri and Turi, in the Andean highlands of northern Chile. As opposed to the usual conditions for prospection in temperate or tropical regions, where the surface visibility of archaeological features is often poor and confusing, here the extreme aridity of the landscape has permitted an extraordinary degree of both preservation and visibility of the fields, canals and other constructions. A field methodology based on a combination of an aerial approach (with relatively low-cost resources: high resolution satellite images, GIS, UAV) and field survey has allowed us not only to document the sites but to
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