Based on Chakana, the sriyantra´s geoglyph and a symbol of a 600 kms diameter could be seen from space near Cordoba, Argentina

The Sriyantra tantric symbol (1) (also called shrichakra ;“wheel of Shri” (2) represented by the geoglyph of 600 km in diameter with the center near Cordoba, Argentina) was etched in the pampas many millenniums before. Its pre-historic age, authorship, purpose, etc. need to be examined since it was created before the writing was used in Egypt or Babilon. The design using lines, canals, ponds, water tanks, etc. which were created at least 40.000 years ago (before last glaciation period). The detailed field inspection by multi-disciplinary team of specialists is necessary to answer some fundamental questions about its origin, age, resaons for its creation, etc. The Sriyantra's 9 constituent triangles vary in size and shape and intersect to form 43 smaller triangles, organized in 5 concentric levels. Together they represent the totality of the cosmos and express Advaita (non-duality) for a meditating follower (3). Early descriptions of Sriyantra exist only in the Vedic tradition, in the oldest text coming to us form the Indus Valley culture. In Brahmavidya (Adyar Library) Subhash Kak argues that the description of Sri Yantra is identical to the yantra described in the Śvetāśvatara Upanisad (3) in 6th century b.C. (4); its earliest version was written in Sanskrit, was translated later into Arabic, and only in the middle of the 19th century it surfaced in major European languages).

author: C.H.Dabrowski
source: @IVarsovienne via Google Earth

In the Shri Vidya school of Hindu tantra, the Sri Yantra (Sanskrit "sacred instrument") is a diagram formed by nine interlocking triangles that surround and radiate out from the central point. 

source: www.sriyantraresearch.com

It represents the goddess in her form of Shri Lalita or Tripura Sundari, "the beauty of the three worlds (Heaven, Earth, Hell)". The worship of the Sri Chakra is central to the Shri Vidya system of Hindu worship and is probably the most famous visual image in all of Hindu Tantric tradition. Its literature and practice is perhaps more systematic than that of any other Shakta sect (4). Four isosceles triangles with the apices upwards, representing Shiva (masculine energy) and five isosceles triangles with the apices downward, symbolizing Shakti (feminine energy) are balanced. Its design composed of nine triangles is also known as the Navayoni Chakra. (5)

source:www.sriyantraresearch.com

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Notes:

1) https://en.wikipedia.org/wiki/Shri_Yantra Accessed 31 May 2021.                           

2) Britannica, The Editors of Encyclopaedia. "Yantra". Encyclopedia Britannica, 26 Nov. 2003, https://www.britannica.com/topic/yantra. Accessed 6 June 2021.

3) https://www.wisdomlib.org/definition/shri-yantra Accessed 31 May 2021.               

4) https://en.wikipedia.org/wiki/Shri_Yantra Accessed 31 May 2021. 

5) https://www.wisdomlib.org/definition/shri-yantra Accessed 31 May 2021.                                                                                    6) https://www.wisdomlib.org/definition/shrividya Accessed 31 May 2021.

Why NASA was asked to help in resolution of the Nazca lines enigma

The Nazca line Project was a small part of the oldest mathematical, geographical and geoartistic experiment in the history of the humanity. Yet discovery of the sophisticated system of recording distances, measering angles of a flight of the vessles, etc. has been baffling Europeans since Pedro Cieza de León in his book of 1553 described them as trail markers. First lines were probably drawn in the desert at the remote time (approx. 2.8 mln years BP) when the concept of documenting the mega-chakana was created. The megachakana is a symbol of the advanced civilization (since approx. 45 mln years BP) which centered its design where Mt. Meru in the perfect axial location rests a kilometer under calm waters of the Pacifc Ocean; it was measured, dimensioned and recorded with North direction pointing in our East direction, why? because the image of the Architect of the Universe is located near Mendoza, Argentina in such a way that to his right lies #Lanka of the fame of Ravana from #ramayana, and to his left lies the 2.5 kms 1.8 mile high pyramid #dhayanalinga in Antarctic, both 5,373 kms 3,336 miles of distance, forming with base of 4995 kms miles the largest isocoles triangle known to humanity during the last 34 mln years. Even though the megachakana has a form of equilateral cross, the principal direction was pointing towards the east. We might imagine that Ravana, the winged deity from epic Ramayana, used this codified information while he had overflown over these lines on his way from modern Chile to Ometepe Island in Nicaragua where his palace Lanka was located. Probably Rama with Sita and vanaras returning from Lanka to Ayodhya (modern city of Mendoza, Argentina) used the markers during their voyage, even though Ramayana had not mentioned this fact.

Later many different lines were added on; the last lines were created by indigenous living in the area probably around 2000 yr BP. An explanation was beyond the reach of the mind of a poorly educated invaders in 16-17th century; subjugating and controling reluctant subjects, and destroying evidence of the existence the 'higher culture' was their objective. In a newly 'discovered' land this policy has lasted almost 500 years duration since the ´discovery´ of the Nazca lines. The Nazca line Project was a small part of the oldest mathematical, geographical and geoartistic experiment in the proto-history of the humanity since 43 mln years BP. However its importance is being attacked by closed-minded critics who would not accept the idea that a more advanced civilization was leaving its small sketches on the surface of our planet to make life easier for them and for us (whenever we will figure out how to use them).