sentences:  Despite the lack of ethnic Huastecs, the region still maintains a cultural identity, which is celebrated at various festivals such as the Encuentro de las Huastecas (Huastec Encounter) in Amatlán in November, and the Festival de la Huasteca in Ahuacatlán de Guadalupe, Purísimas de Arista and Agua Zarca in Querétaro.Much of the region's culture has remained distinct because of the lack of communication with the outside world.This region has not been extensively studied by academics.