Scientists discover 50 new "gigantic drawings" engraved in the desert of Nazca, Peru

Brand new discoveries can still be had on this planet even though Astronauts have been looking down on us since the 1960's? So it beg's the question how have these been hidden or undetected for so long? Surely they must of seen these, but they can't of - could they?
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New ritual geoglyphs have been found in the Nazca desert (Peru), known for the abundance of lines and the huge designs created by ancient peoples.

Scientists who use drones to study the Nazca desert in the south of Peru have found more than 50 new gigantic drawings engraved on the ground, as reported by National Geographic, which published the video of these new geoglyphs.

The designs were created more than a millennium ago by representatives of the Nazca culture and are believed to have ritual purposes. However, many of the recently found drawings could also belong to cultures earlier than those of Nazca, known as Paracas and Topará, dating back to 500 BC.

"This means a tradition of more than a thousand years preceding the famous geoglyphs of Nazca culture, which opens the door to new hypotheses about its function and meaning," says Johny Isla, archaeologist of the Ministry of Culture of Peru, who is responsible for conservation of the famous Nazca lines. These ancient peoples "drew" images of warriors, animals, as well as different ornamental lines, removing the upper layer of reddish stones of the desert, exposing a lighter ground.

However, scientists are still wondering how they managed to make drawings without being able to see them from the sky. The fact that only the latest drawings have been discovered is due to the fact that many of them are not visible from the ground and can only be detected by the use of drones with high resolution cameras.