Nazca Lines
UNESCO World Heritage Site in 1994:
The Nazca Lines are a series of ancient Geoglyphs (a geoglyph is a large
design or motif (generally greater than 4 meters) produced on the ground
and typically formed by rocks or similarly durable elements of the
geography, such as stones, stone fragments, gravel, or earth) located in
the Nazca Desert in southern Peru.
Heritage Site:
They were designated a UNESCO World Heritage Site in 1994. The high, arid
plateau stretches more than 80km (50 miles) between the towns of Nazca and
Palpa, about 400 km south of Lima. Scholars believe the Nazca Lines were
created by the Nazca culture between 400 and 650 AD.
The hundreds of individual figures range in complexity from simple lines to stylized
humming-birds, spiders, monkeys, fish, sharks, orcas, llamas, & lizards.
The lines are shallow designs made in the ground by removing the
omnipresent reddish pebbles and uncovering the whitish ground beneath.
Hundreds of them are simple lines or geometric shapes; more than seventy
are zoomorphic designs of animals such as birds, fish, llamas, jaguar,
monkey, or human figures. Other designs include phytomorphic shapes such
as trees and flowers. The largest figures are over 200 metres (660 ft)
across. Scholars differ in interpreting the purpose of the designs, but in
general they attribute 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 or giant
astronomical calendars.
Due to the dry, windless, and stable climate of the plateau and its
isolation, for the most part the lines have been preserved. Extremely rare
changes in weather may temporarily alter the general designs.
Discovery:
After people travelled over the area by plane in the 1930s and
saw the Nazca Lines from the air, anthropologists started studying them,
with focus on trying to understand how they were created.
Scholars have theorized the Nazca people could have used simple tools and
surveying equipment to construct the lines. Studies have found wooden
stakes in the ground at the end of some lines, which support this theory.
One such stake was carbon-dated and the basis for establishing the age of
the design complex.
How they did? :
On the ground, most of the lines are formed by a shallow
trench with a depth of between 10 cm and 15 cm. Such trenches were made by
removing the reddish-brown iron oxide-coated pebbles that cover the
surface of the Nazca desert. When this gravel is removed the light-colored
earth which is exposed in the bottom of the trench produces lines which
contrast sharply in color and tone with the surrounding land surface. This
sub-layer contains high amounts of lime which with the morning mist
hardens to form a protective layer that shields the lines from winds,
thereby preventing erosion.
The Nazca "drew" several hundred simple but huge curvilinear animal and
human figures by this technique. In total, the earthwork project is huge
and complex: the area encompassing the lines is nearly 500 sq km, and the
largest figures can span nearly 270 meters. The extremely dry, windless,
and constant climate of the Nazca region has preserved the lines well. The
Nazca desert is one of the driest on Earth and maintains a temperature
around 25°C (77 °F) all year round. The lack of wind has helped keep the
lines uncovered and visible to the present day.
Environmental Concern:
People trying to preserve the Nazca Lines are
concerned about threats of pollution and erosion caused by deforestation
in the region. After flooding and mud slides in the area in mid-February
2007, archaeological resident from Peru's National Institute of Culture,
and a team of specialists surveyed the area. It was found that the mud
slides and heavy rains did not appear to have caused any significant
damage to the Nazca Lines," but the nearby Southern Pan-American Highway
did suffer damage, and "the damage done to the roads should serve as a
reminder to just how fragile these figures are.

NAZCA - The Peruvian Skulls
These unusually shaped skulls were photographed by Robert Connolly on his trip around the world during which he was collecting materials about ancient civilizations.
Skull binding - not an explanation to the size
When some of these pictures were posted on CompuServe, the majority of people assumed that they represented an example of binding of the head, well known to be in fashion in ancient Nubia, Egypt and other cultures. The skull binding was a primitive practice in which a person's head was tightly bound with cloth or leather straps throughout his lifetime, causing the skull to grow in this dramatic way.
Anthropologists however have admitted that the shapes of the Peruvian skulls is unlike the deformity caused by binding.
The skulls shouldn't exist
The skulls are a real problem for the anthropologist.
The frontal part of the skull seems to belong to an individual of the pre-Neanderthal family. But the lower jaw, though more robust than modern human type, has a modern shape and characteristics. The shape of the cranium is completely different from Homo Erectus, Neanderthal types, and the modern human type. Some minor Neanderthal characteristics are present, as with the occipital ridge on the bottom back of the skull and the flattened bottom of the cranium, but other characteristics point more towards Homo Erectus.
What a representative of a premodern human type is doing on the South American continent?
According to the orthodox anthropology, this skull simply does not exist, because it cannot be. Textbooks' oldest date of appearance of humans in North America is about 35000 BCE and much later for South America, based on the diffusion theory assumptions.
Neanderthals did not exist in South America. The only accepted human types entering the continent are of the modern anatomy.
Evidence of ancient brain surgery
Some skulls show the evidence of ancient brain surgery that prove their ancestors possessed certain abilities that modern science has just recently discovered.
Plenty of skulls in the area of the Nazca desert
Peruvian government said that these unusual skulls could be found in many museums in Peru and excavations were uncovering them even now near the Nazca Plateau. These skulls are so numerous in the area of the Nazca desert that you can find small makeshift museums in the backyards of the locals. They dug up their ancestors so you can view their remains for a small fee.
In Mexico there are the same types of skulls in a museum in Merida, a city close to the ruins of Palenque.
So why hasn't anyone taken the photographs earlier and showed it to the rest of the world?
According to the Peruvian church leaders the skulls are a work of devil and the offspring of the fallen angels in the Bible.
When President Fujimori took power in Peru, he had decided to allow the skulls to be photographed and has brought them to the attention of the world.