The sky in early autumn was as clear as being washed clean, with eagles soaring high above, overlooking the land full of life. The azure mountains of Yun Qing were layered and undulating, stretching continuously from the northwest border of the city-state to the southeast of the lake region.
Everyone headed west, then turned south. The trees became denser, and the terrain gradually steepened. After trekking forty or fifty miles, the trees on the roadside suddenly thinned out, revealing the towering Mount Estrella. Mount Estrella was located southwest of the capital city, on the edge of the Ajusco volcanic area. From here, heading further southwest for more than forty miles was the famous Xitle volcano.