Terrestres Nacionales. Two rail lines pass through here connecting Mexico City with Guadalajara and Nuevo Laredo. The town has a number of festivals and traditions which are especially important or unique to it. The festival of the Holy Cross on May 3 is particularly important in the San Juan neighborhood with the dance of Moors and Christians as the highlight. Preparations for this event begin months in advance. The feast day for the patroness of the town, Our Lady of the Assumption, occurs on August 15. This day is observed by all in the municipality, many of which come to the parish church in the center of town for the festivities. These festivities include traditional dances, which last from early and through the day. This is also a popular day for confirmations, first communions and other similar ceremonies. The day ends with a large frame called a castillo (castle ) filled with fireworks which is set alight. For Holy Week, the town holds an annual Passion Play. This event begins in the main square in front of the Santa María de la Asunción Temple and passes through the streets of the town to a site called Monte Calvario, named after the place where Jesus was crucified. Here the crucifixion of Christ is re-enacted. Afterwards, an image of the deceased Jesus is carried from the area in a glass coffin. On Holy Saturday, images of Judas are burned along with those of devils and other unliked figures . The founding of the town is celebrated each year in the Barrio de la Magdalena neighborhood on June 24, where the founding mass took place. This commemoration includes a re-enactment of the founding with actors in 16th century clothing. The annual pilgrimage to the chapel on the Cerro Grande occurs on September 13. This procession climbs the hill where the chapel is located the day before and spends the night there. The following day, after mass, there is picnicking and spending the day in the countryside. It is not known how or when this tradition started, but it attracts not only those from Tequisquiapan, but those from Santa Rosa Xajay, El Cerrito, Bordo Blanco and San Nicolás. The feast of Isidore the Laborer on May 15 is important in the town which is centered on a procession from the Santa María de la Asunción church to the El Llano chapel. The purpose of