Aztec architecture at the Natural Museum of Anthropology, Mexico City, Mexico, 1969

At the Bosque de Chapultepec in Mexico City aka Ciudad de México or CDMX, the camera pans down from one Aztecan structure belonging to the Museo Nacional de Antropología, the Natural Museum of Anthropology. Intricate carvings on the building wall are shown. A woman stands outside the building, Mexico, 1969. Chapultepec, more commonly called the "Bosque de Chapultepec" (Chapultepec Forest) in Mexico City, is one of the largest city parks in Mexico, measuring in total just over 686 hectares (1,700 acres). Centered on a rock formation called Chapultepec Hill, one of the park's main functions is as an ecological space in Greater Mexico City. It is considered the first and most important of Mexico City's "lungs". The National Museum of Anthropology (Spanish: Museo Nacional de Antropología, MNA) is a national museum of Mexico. It is the largest and most visited museum in Mexico. Located in the area between Paseo de la Reforma and Mahatma Gandhi Street within Chapultepec Park in Mexico City, the museum contains significant archaeological and anthropological artifacts from Mexico's pre-Columbian heritage, such as the Stone of the Sun (or the Aztec calendar stone) and the Aztec Xochipilli statue.