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The main attractions for tourists are places of natural beauty situated in the extreme zones of the country: San Pedro de Atacama, in the north, is very popular with foreign tourists who arrive to admire the Incaic architecture, the altiplano lakes, and the Valley of the Moon.[citation needed] In Putre, also in the north, there is the Chungará Lake, as well as the Parinacota and the Pomerape volcanoes, with altitudes of 6,348 m and 6,282 m, respectively. Throughout the central Andes there are many ski resorts of international repute,[citation needed] including Portillo, Valle Nevado and Termas de Chillán.