in the Etla Valley, lost most of their population.

During the same period, a new large settlement developed in the "no-man's-land" on top of a mountain overlooking the three valleys; it was later called Monte Albán. Early Monte Albán pottery is similar to pottery from San José Mogote, which suggests that the newer city was populated by people who had left San José Mogote. Although there is no direct evidence in the early phases of Monte Albán's history, walls and fortifications around the