October 19, 2017 10:27 pm
Since 1997, Dr. Kennedy has flown planes and helicopters over Saudi Arabia’s neighbor Jordan, photographing the angular and wheel-like structures scattered over its lava field or harrat. Not much is known about the people who built the edifices, but they are thought to have constructed them at least 2,000 years ago and maybe as far back as 9,000 years ago, according to Dr. Kennedy. They are believed to be the ancestors of the modern-day Bedouin people in the region.
Credit Grant Scroggie
The most well-known of the basalt boulder structures are the “kites,” which were first identified by air pilots in the 1920s. Each looks like a child’s kite, complete with strings and long fluttering tails that are two-dimensionally flattened into the ground.
Archaeologists think ancient nomadic tribes used the kites, which can be more than a mile long, for hunting. The structure’s two long converging walls would funnel stampedes of gazelles into the body of the kite, where they would be slaughtered.
But the lava fields extend beyond Jordan’s borders into countries like Syria and Saudi Arabia. So do their mysteries. Saudi Arabia in particular offers a wealth of harrats that are just out of Dr. Kennedy’s reach.
In 2004, Dr. Abdullah Al-Saeed, a neurologist and founder of the Desert Team, a group of amateur archaeologists in Saudi Arabia, explored the bleak lava field known as Harrat Khaybar. He saw walls of stones stacked about three feet high, but said that he did not appreciate their unique design at that time.
Credit Satellite photo by CNES/Airbus, via Google Earth
Then in 2008 he returned to the same spot from his desktop computer.
“When I saw the updated images of Harrat Khaybar from Google Earth, I was literally stunned and could not sleep that night,” Dr. Al-Saeed said in an email. “Flying like a bird all over the Harrat from one enigmatic structure to another! How come we passed by these structures without appreciating their design?”
He spoke to his colleagues, and they set out to investigate the most striking structure they saw in person. The Harrat Khaybar was more than 550 miles from Riyadh, the capital of Saudi Arabia. So they took a plane to a nearby city, rented a car and set out for the volcanic domes. In order to navigate the rocky terrain, they had to do much of their exploration on foot through the lava field.
“The question we always discuss while investigating them is, why here? Why in this stony, frightful, rugged land?” he said. He snapped several photos and sent them along with the Google images to archaeologists like Dr. Kennedy for feedback.
“Absolute bafflement.” That’s what Dr. Kennedy said he felt when he first saw the satellite images. Suddenly, he was confronted with structures quite different from anything he had ever seen before. He called them gates because when looked at horizontally, they resemble a simple fence with two thick upright posts on the sides connected by one or more long bars.
“They don’t look like funerary, for disposing of dead bodies. They don’t look like structures where people lived, and they don’t look like animal traps,” he said. “I don’t know what they are.”
More Reporting on Archaeology
For nearly a decade, he has painstakingly cataloged nearly 400 gates. In 2011, his work was featured by Google in a video (for which he was paid). The longest gate he had identified was more than 1,600 feet long, though most were between 160 and 500 feet long. Sometimes the posts were as thick as 30 feet. One gate is intertwined with a kite.
Next he hopes to get accurate dating of the gates, which he suspects may in some cases be older than the kites, and perhaps the oldest man-made structures in the landscape. He invites armchair archaeologists to search the harrats online and share any finds with him.
“More will be found as more people get involved in scouring the landscape from satellite imagery,” he said.
Stephan Kempe, a retired professor of physical geology at Technische Universität Darmstadt in Germany, who was not involved in the paper, called the gate structures interesting and said that the new study was one of a series of papers describing previously unnoticed structures in the Saudi Arabian lava fields.
“There are many other features that have only recently been understood as forming classes of prehistoric ‘geoglyphs’ that were widespread in an area thought to be very barren and devoid of human impact,” he said in an email.
He added that he would have liked to have seen some suggestions from Dr. Kennedy as to what the gates may have been used for, if only to dissuade people from speculating as to extraterrestrial origins, as they have regarding the Sphinx and the Nazca Lines in Peru.
Still, the new findings tell of a time when the climate and ecology of Saudi Arabia was most likely much different from today, he said. Given the differences, “the mind of people in the past is not that easily read.”arabia, found, gates, hundreds, mysterious, saudi, stone
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