There is a 91 meter (almost 10+2) ditch around the circle of massive stones at Stonehenge in England which can be seen in this photograph at National Geographic. The construction of Stonehenge which began 5,000 years (10+3) ago occurred over 3 phases taking over 1,500 years to complete. Stonehenge stones were brought to the site before the invention/use of the wheel. How did they move the stones into place? “The stone from Marlborough Downs must have therefore been dragged using roller, sledges, ropes and levers. It is also possible that they waited for the winter snow and transported the stone more easily across the ice.” It’s been estimated that it took thirty million hours (10+7) of work to create Stonehenge!
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