the church to come under the jurisdiction of the Catholic Church. A priest is hired when they want Mass. Near the church, there is an observatory named after astrophysicist Luis Enrique Erro, founded in 1942. Its formal name is the Instituto Nacional de Astrofísica, Optica y Electrónica Luis Enrique Erro. It has been the site a numerous studies, especially in supernovas, and it is considered to be one of the most productive academic institutions in the country. San Bernardino Tlaxcalancingo is a community 4 km from the city center, with a population of about 16,000. It is dedicated to livestock along with the cultivation of corn, beans and nopal cactus. Its nopal production is significant and in 2005, it began exporting the crop to China. The community was founded by the Spanish as they divided lands among the conquistadores, dedicated to Bernard of Siena. Its church is from the 17th century, and its facade contains bricks and tiles of various colors. Its Salomonic columns are also covered in tiles, along with its bell tower. The side portal of the church and the priest's quarters are decorated with the faces of children and flowers. The community is home to Parque Loro, which contains more than 400 animals in danger of extinction, with information about each for the visitor. Animals include monkeys, tigers, jaguars, pumas, reptiles, miniature horses and more. It has an auditorium with animal shows. It also has a playground, an area for pre Hispanic dance and an area in which visitors can have their picture taken with an endangered species. San Luis Tehuiloyocan is a community of about 3,800 people, five km from the city center. It is decided mostly to livestock, especially domestic fowl and pigs. It also cultivates corn, beans and vegetables. This community is best known for a 17th-century house which is boarded up and the exterior is deteriorated. There is nothing unusual about the exterior except the fact that there are no windows. However, the walls of the large inner courtyard have mosaics of encrusted volcanic stone that depicts a goat, a rabbit, flames and elements of the Passion of Christ, such as the weeping face of Saint Veronica, her tear flowing red. The dominant images framing the main doorway are two monkeys with their tongues sticking out and dancing. On the ends of their legs are crow's feet and on their heads are bishops'