This merchandise was traded for the products made by the populations of the low, coastal valleys: maize, red pepper, fish and seafood. Atoca, figures made of stone, represent a typical caravan of llamas with their guide, preceded by two dancers with anthropomorphous characteristics, and depict scenes of the caravan traffic that was carried out between coastal peoples and the peoples of the highlands. Among sacred hills in the region of Pampas Alto Ramirez are impressive geoglyphs and other artifacts memorialize diverse settlements from the beginnings of agriculture to the present time. The panel of geoglyphs corresponds to the time of Inca regional influence and development (1,000 - 1,400 AD) and human and animal figures of the area: camelidaes, serpents, lizards, etc.  Type of grave in the form of little hills (túmulos) through the successive accumulation of layers of sand and vegetal fiber litter. This town is located about 12  km from Arica and is surrounded by beautiful agricultural environs; it survives as a breeding ground of subtropical plants, túmulos and features the Archaeological Museum of San Miguel de Azapa, a museum associated with the Universidad de Tarapacá. This museum presents a complete vision of the cultural and anthropological development of the region for the past 10,000 years. Chinchorro mummies are exhibited in the museum. A visit here allows knowing some of the histories of this corner of the world. Located approximately 80  km from Arica, it is the scene of the celebration of the Virgin of the Rosary of Las Peñas (The Rocks), a celebration which happens between the first Sunday of October and December 8 of every year. (but in all honesty, we know nothing about them)