Nazca Lines Created
The Nazca Lines are a vast collection of geoglyphs scratched into the stony desert of southern Peru, including towering animal figures, plants, and long straight lines stretching across the plain. Their creation is traditionally dated from around 400 BCE, although the work continued for many centuries, and most of the best-known figures are generally attributed to the period between roughly 100 BCE and 500 CE. They matter because of their astonishing scale, their remarkable survival, and the enduring mystery of why they were made.
The designs were made by the Nazca culture, which flourished in the dry river valleys of the south coast of Peru. Some lines may be older still, as the earlier Paracas culture produced similar imagery on textiles and pottery, and some hillside designs have been linked to it. The region is among the driest on Earth, and the surface is covered with dark, iron-oxide-stained pebbles over paler ground. These conditions, with very little rain and wind, are what allowed the markings to endure for more than two thousand years.
The method was simple but laborious. Workers removed the darker surface stones to expose the lighter soil beneath, creating shallow lines usually only a few centimeters deep. Experiments and archaeological finds of wooden stakes suggest that the makers used string, stakes, and scaled-up sketches to produce accurate shapes. The figures include a hummingbird, a monkey, a spider, a condor, and a number of plants, some of them well over 100 meters long. Alongside them run straight lines and geometric shapes, some extending for kilometers. Although they are best appreciated from the air, many can be seen from nearby hills, and the makers did not need flight to plan or walk them.
Why they were made remains debated. In the 20th century, researchers such as Maria Reiche devoted decades to studying and protecting them, and she favored an astronomical or calendrical purpose. Later work has found that many alignments do not match celestial events convincingly. Many scholars now emphasize ritual use, with people walking the lines in ceremonies, and links to water, which was essential in such a desert. Both ideas have support, and no single explanation has won universal agreement. Claims of alien involvement are not supported by evidence.
The lines became widely known in the 20th century after aircraft flights over Peru, and they were inscribed as a UNESCO World Heritage Site in 1994. Today they face threats from informal settlement, mining, pollution, and the occasional extreme weather linked to climate change. They remain a powerful example of how an ancient society used the landscape itself as a canvas.