Ancient ritual pits have been discovered around Stonehenge. They are older than the monument itself

Stonehenge is now surrounded by grassy landscapes, but for about 10,000 years there were many holes around it. According to

new research, they were dug by ancient hunters,who tried to catch game in this way. A team of researchers discovered traces of these pits during a survey of the area around Stonehenge.

Scientists conducted a study of the electromagnetic fieldinduction over an area of ​​approximately 2.5 km² around Stonehenge and used special anomaly detection equipment with electromagnetic coils at both ends. One of them generates an electromagnetic field, which allows the device to analyze the electrical conductivity of the soil. As a result, changes in electrical conductivity let scientists know that something is hiding in the soil.

The algorithm identified 415 potential large holes larger than 2.4 m in diameter and about 3,000 smaller holes. When exactly they appeared is unknown.

Archaeologists excavated nine large pits andseveral artifacts were discovered. The study found that six of them were made by primitive people. The oldest pit excavated was about 10,000 years old and contained the remains of stone tools that may have been used for hunting.

While the oldest known pit,probably used for hunting, one of the others appeared 3,300 years ago. Stonehenge itself appeared around this time and was used for various ceremonies, the scientists noted. In addition, two other pits, possibly built for ceremonial purposes, were dug approximately 5,500 and 5,200 years ago, that is, shortly before a stone monument was built.

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