displayed between two rings from the old Mesoamerican ballcourt. Lastly are columns with figures of Quetzalcoatl and skulls sculpted from volcanic stone. The Andres Quintana Roo Library is also the town's site museum. This museum has fourteen glass cases containing 279 pieces from the old teocalli and other areas in and around Mixquic. The archeological collection that the museum holds was donated by Socorro Bernal Roque, a native of the village. Most of the pieces are of clay and stone and most belong to the late post-classic period(1200–1500) but some pieces belong to the Toltec and Teotihuacan cultures. Among the pieces that stand out are a chac mool, vestiges of a teotlachtli, clay and stone seals, a coiled serpent and other snakes, a tzompantli and a calendar that was hollowed out to make it into a baptismal font. A small area with canals and chinampas still exists near the town. Members of the Legislative Assembly of the Distrito Federal (Mexico City) are demanding that the mayor of the city solicit the community as a World Heritage Site. They claim that the area has physical characteristics and environmental impact that is unique in the world. The area is of importance to migrating birds and is a recharge zone for local aquifers. The main church's cemetery and archeological site which World Heritage Site status would help preserve and promote its cultural value. Day of the Dead celebrations Day of the Dead is the most important celebration in this community, with two days of ritual and cultural events from November 1 to 2. The village and its church graveyard has become famous in the Mexico City metropolitan area for this. In and around the cemetery, thousands of Mexican and international visitors experience the sights, sound and smells of the rituals, cultural events and stands selling food, crafts and other items. The modern celebrations are an extension of the cult of the dead that existed here since pre-Hispanic times. Excavations in this area have revealed a large quantity of stone skulls that used to adorn the facades of homes in this area. Solemn commemoration and festivities do not compete here; both are considered part of the event. In addition to the traditional altars to the dead called “ofrendas”, grave cleanings and decoration, there are also plays, processions, poetry readings, concerts and folk dance. In 2009, the finale was a concert by Susana Harp. Preparations