Nazca Lines

Nazca Lines

The Nazca Lines are a group of very large geoglyphs formed by depressions or shallow incisions made in the soil of the Nazca Desert in southern Peru. They were created between 500 BCE and 500 CE.

Most lines run straight across the landscape, but there are also figurative designs of animals and plants, made up of lines. The individual figurative geoglyph designs measure between 0.4 and 1.1 km (.2 and .7 mi) across. The combined length of all the lines is over 1,300 km (808 mi), and the group cover an area of about 50 km2 (19 sq mi). The lines are typically 10 to 15 cm (4 to 6 in) deep. They were made by removing the top layer of reddish-brown iron oxide-coated pebbles to reveal a yellow-grey subsoil. The width of the lines varies considerably, but over half are slightly over one-third meter (just over 1 foot) wide. In some places they may be only a foot (30.5 cm) wide, and in others reach 6 feet (1.8 m) wide.

Some of the Nazca lines form shapes that are best seen from the air (~1,500 ft, 457 m), though they are visible from the surrounding foothills and other high places. The shapes are usually made from one continuous line. The largest ones are about 370 m (1,200 ft) long. Because of its isolation and the dry, windless, stable climate of the plateau, the lines have mostly been preserved naturally. Extremely rare changes in weather may temporarily alter the general designs. As of 2012, the lines are said to have been deteriorating because of an influx of squatters inhabiting the lands.

The figures vary in complexity. Hundreds are simple lines and geometric shapes; more than 70 are zoomorphic designs of animals such as a hummingbird, spider, fish, condor, heron, monkey, lizard, dog, and a human. Other shapes include trees and flowers. Scholars differ in interpreting the purpose of the designs, but in general, they ascribe religious significance to them. They were designated as a UNESCO World Heritage Site in 1994.


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