
Here's an #AntiquityThread on the find, published today (


These ritual structures are large rectangular stone constructions that can be over 600 metres long, with a platform at each end. 2/
: Plans of some of the structures.

Named âmustatilsâ, after the Arabic word for rectangle, they have long been known about but had been the subject of very little research. 3/
: A group of three mustatils (photograph © AAKSA and Royal Commission for AlUla).

As such the @aaksa_project, part of @UWAresearch
work with @RCU_SA set out to change this. 4/
: Actual footage of the researchers setting out.
work with @RCU_SA set out to change this. 4/

They documented hundreds of mustatils by helicopter, explored almost 40 on the ground, and excavated one as part of the largest study of these structures ever conducted. 5/
: Map of the study area

The results of this research reveal there were nearly twice as many mustatils in the region as previously thought. 6/
: Map of mustatil distribution in the study area

âWe documented over 1000 mustatils, covering over 200,000 kmÂČ,â said Dr Hugh Thomas, from the University of Western Australia and director of the project. 7/
The ground survey revealed that the structures were more complex than previously believed, featuring distinct entranceways, organised âcellsâ and standing stones. 8/
: Some of the features of mustatils mentioned in the tweet

Radiocarbon dates from the excavation also revealed they date to the Neolithic, around 5300-5000 BC.
This makes them older than the pyramids of Egypt 9/
: Amateur hour, by Nina / CC BY 2.5
This makes them older than the pyramids of Egypt 9/

âThe mustatils of northwest Arabia represents the first large-scale, monumental ritual landscape anywhere in the world, predating Stonehenge by more than 2500 years,â said Dr Melissa Kennedy, assistant director of the project from the University of Western Australia. 10/
The teamâs excavations also provided evidence that these structures were built for rituals, as they uncovered an apparent offering of cattle horns and skull parts. 11/
: Cattle horn 'offering' (marked with arrow) in situ

Cattle was a vital part of the lives of the early pastoralists in the region who likely built these structures, and apparent âcattle cultsâ have been found around 900 years later in southern Arabia. As such, this might reflect an early example of such a cult. 12/
Given the consistency in the design of the mustatils, it appears these beliefs were widespread across northwest Arabia. They also appear to have driven people to organise on a large scale. 13/
: Mustatils from around the study area. Note the consistency.

âSome of these monumental structures must have been constructed by large groups of people, suggesting that communities came together to build these features,â said Dr Kennedy. 14/
The mustatils appear to be the result of shared beliefs across a wide area driving communities to come together and construct ritual sites, creating the oldest monumental landscape of this scale ever identified. 15/
âThe mustatil will completely change how we view Neolithic societies in Saudi Arabia and beyond,â said Dr Thomas. 16/
If you want to find out more, the researchers did a thread diving into these magnificent mustatils
17/ https://twitter.com/aaksa_project/status/1388028200463130624

And/or you can grab their research paper

Thomas et al. 'The mustatils: cult and monumentality in Neolithic north-western Arabia' https://doi.org/10.15184/aqy.2021.51 18/18


Thomas et al. 'The mustatils: cult and monumentality in Neolithic north-western Arabia' https://doi.org/10.15184/aqy.2021.51 18/18