In China, in the region of Inner Mongolia, holes were discovered in the rock, which archaeologists believe represent the five planets of the solar system, namely Mercury, Venus, Mars, Saturn and Jupiter. The indentations were made about 2000 years ago.
The holes were located at a distance of about a kilometer from each other and had different diameters and depths.
The depressions are located relative to each other as the five planets looked in the sky in 204. The pits were of their own size.
So the depression, denoting Mercury, had a diameter of 6.96 cm and a depth of 3.29 cm, Venus - a diameter of 7.89 cm and a depth of 2.3 cm, Mars - a diameter of 8 cm and a depth of 4.2 cm, Saturn - a diameter of 9, 4 cm and a depth of 7 cm, Jupiter is 5.68 cm in diameter and 1.92 cm in depth.
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The purpose of the holes is still unclear.
