DISCOVER THE NAZCA LINES OF PERU

The lines are shallow designs in the ground where the reddish pebbles that cover the surrounding landscape have been removed, revealing the whitish earth underneath. Hundreds are simple lines or geometric shapes, and more than seventy are natural or human figures. The largest are over 200m across.

Scholars differ in interpreting what the lines were for but generally ascribe religious significance to them. "The geometric ones could indicate the flow of water or be connected to rituals to summon water. The spiders, birds, and plants could be fertility symbols. Other possible explanations include: irrigation schemes, giant astronomical calendars, or landing for spaceships."

The dry, windless, stable climate of the plateau has preserved the lines to this day, for the most part. Extremely rare changes in weather may temporarily alter the general designs.

CONSTRUCTION OF THE NAZCA LINES

The leading explanation for the method of construction employed by the Nazca people involves the use of simple tools and surveying equipment. Wooden stakes in the ground at the end of some lines (which were used to carbon-date the figures) and ceramics found on the surface support this theory. Furthermore, researcher Joe Nickell of the University of Kentucky has reproduced the figures using the technology available to the Nazca people of the time and without aerial assistance. With careful planning and simple technologies, a small team of individuals could recreate even the largest figures within days. Contrary to the claims of several commentators, the figures can be observed from the ground by standing on top of nearby foothills.

The lines were made by removing the reddish-brown iron oxide coated pebbles which cover the surface of the Nazca desert. When the gravel is removed, the lines contrast sharply with the light-colored earth beneath. There are several hundred simple lines and geometric patterns on the Nazca plateau, as well as over seventy curvilinear animal and human figures.

The area encompassing the lines is nearly 500 square kilometers (193 square miles), and the largest figures can be nearly 270 m long (886 feet). The lines persist due to the extremely dry, windless, and constant climate of the Nazca region. The Nazca desert is one of the driest on Earth and maintains a temperature around 25°C (77°F) all year round, and the lack of wind has helped keep the lines uncovered to the present day.

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