The Post-classic period (10th–12th centuries) was dominated by the Toltecs who made colossal, block-like sculptures such as those employed as free-standing columns at Tula, Mexico. The Mixtecs developed a style of painting known as Mixtec-Puebla, as seen in their murals and codices (manuscripts), in which all available space is covered by flat figures in geometric designs. The Aztec culture in Mexico produced some dramatically expressive artworks, such as the decorated skulls of captives and stone sculpture, of which Tlazolteotl (Woods Bliss Collection, Washington), a goddess in childbirth, is a good example. Aztec art, similar to other Mesoamerican cultures also focused on deity worship and portraying values in their society. In creating their art, Aztecs also were interested in naturalism, as making something life-like better conveyed their message through the artwork. For example, the Eagle Warrior statues are life-sized ceramic sculptures that show this sense of naturalism. The Aztecs believed these eagle warriors showed the value of youthful beauty, this can be seen in the sculpture with the Warriors young and soft features of his face.