Ndaxagua locally known in Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 as El Puente Colosal ("Colossal [Natural] Bridge") is a natural cave with double entrance and archaeological site

Archaeological site

An archaeological site is a place in which evidence of past activity is preserved , and which has been, or may be, investigated using the discipline of archaeology and represents a part of the archaeological record.Beyond this, the definition and geographical extent of a 'site' can vary widely,...

, located in the extreme northern end of the Coixtlahuaca Basin, central-southern Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. The cave was most likely used by Mesoamerica

Mesoamerica

Mesoamerica is a region and culture area in the Americas, extending approximately from central Mexico to Belize, Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica, within which a number of pre-Columbian societies flourished before the Spanish colonization of the Americas in the 15th and...

n cultures such as the Zapotec

Zapotec civilization

The Zapotec civilization was an indigenous pre-Columbian civilization that flourished in the Valley of Oaxaca of southern Mesoamerica. Archaeological evidence shows their culture goes back at least 2500 years...

 and Mixtec

Mixtec

The Mixtec are indigenous Mesoamerican peoples inhabiting the Mexican states of Oaxaca, Guerrero and Puebla in a region known as La Mixteca. The Mixtecan languages form an important branch of the Otomanguean language family....

 as well.

The cave gets its name from a natural rock bridge formation above it. The cave functioned as a sacred entrance into the basin. Several Coixtlahuaca codices refer to this cave. In codex

Codex

A codex is a book in the format used for modern books, with multiple quires or gatherings typically bound together and given a cover.Developed by the Romans from wooden writing tablets, its gradual replacement...

 depictions, the cave was believed to be the place where Quetzalcoatl

Quetzalcoatl

Quetzalcoatl is a Mesoamerican deity whose name comes from the Nahuatl language and has the meaning of "feathered serpent". The worship of a feathered serpent deity is first documented in Teotihuacan in the first century BCE or first century CE...

 descended from heaven.

There are several pre-Columbian inscriptions

Mesoamerican writing systems

Mesoamerica, like India, Mesopotamia, China, and Egypt, is one of the few places in the world where writing has developed independently. Mesoamerican scripts deciphered to date are logosyllabic, combining the use of logograms with a syllabary, and they are often called hieroglyphic scripts...

 at the Ndaxagua site. These murals in the cave depict anthropomorphic figures with protruding beak-like mask. Another mural shows a deer ready to be sacrificed by a figure holding a blades. Another sacrificial mural is present as well.