The Diaguita people arrived to the area c. 700 CE, about three hundred years after the Molle people. They crossed from Argentina through one of the several summer passages in the Andes mountain range. They practiced advanced forms of agriculture, pottery, stone work, weaving and metallurgy, mainly based on copper and bronze). They also carved figures in stone known as petroglyphs. These petroglyphs are believed to represent the cosmology of the Diaguita people. Nowadays, a number of these archeological treasures can be found in the area of "Rincón las Chilcas".