Fifteen of the eighteen pueblos of Xochimilco hold major events for Day of the Dead, including costume parades, exhibitions, especially of altars, in cemeteries, museums, plazas and more. The Dolores Olmedo Museum has an annual monumental altar to the dead for the occasion As per traditions, the cemeteries of smaller communities such as San Francisco Tlalnepantla, Santa Cruz Xochitepec and Santa María Nativitas are lit with the glow of numerous candles and loved ones sit vigil over the graves. The best known event associated with Day of the Dead is the “la Cihuacoatle, Leyenda de la Llorona,” which is a spectacle based on the La Llorona spectre, which runs from late October to mid November. It takes place on the waters of the old Tlilac Lake. Spectators watch the event from trajineras that depart from the Cuemanco docks and travel the canals to reach the lake. Another similar performance is called “Retorno al Mictlan “or Return to Mictlan, the Aztec land of the Dead, which is performed in the historic center of Xochimilco.