 In the late postclassical period the region was occupied by Aztecs, who imposed tribute or formed army alliances against the Purépecha.Constructive activity is very poor, however this period correspond to some of the burials with lavish offerings.Shell beads, necklaces, cooper needles, earrings, obsidian "bezotes", spear points, darts and numerous vases accompanied the dead on their journey to the underworld.