To construct the dolmen, its builders transported 32 giant stone blocks from a quarry around one kilometre away and used them to form the walls, pillars and roof of a massive chamber measuring around 28 metres long, 6 metres wide and 3.5 metres high. The largest of these blocks, one of the capstones that forms part of the roof, is 8 metres long and weighs an estimated 150 tonnes. By comparison, the biggest stone used to build Stonehenge weighs about 30 tonnes.
These people had no blueprints to work with, nor, as far as we know, any previous experience at building something like this," says study co-author Leonardo García Sanjuán, an archaeologist at the University of Seville in Spain. "And yet, they understood how to fit together huge blocks of stone with "a precision that would keep the monument intact for nearly 6,000 years."
There's no way you could do that without at least a basic working knowledge of science," he adds. The study illustrates that the Neolithic builders possessed a rudimentary grasp of physics, geometry, and architectural principles, showcasing their technical prowess.
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