sentences:  The site is characterized by the presence of two particular architectural groups, consisting in a triadic acropolis and an E Group, which are markers of the sociocultural complexity of the Preclassic period in the Lowland Maya area.In addition, the nature of the karstic bedrock allowed for the creation of a great quantity of chultuns, which can be found in almost all of the architectural groups 
  
  The site was originally named as "La Maquina" after the nearest village but was renamed as "Holtun" by Agustín Estrada Monroy, the then director general of the "Patrimonio General Cultural y Natural" (General Cultural and Natural Heritage).The new name is derived from the local Itza Maya language and means "stone head".