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3 days ago · Stonehenge is a prehistoric megalithic structure on Salisbury Plain in Wiltshire, England, two miles (3 km) west of Amesbury. It consists of an outer ring of vertical sarsen standing stones, each around 13 feet (4.0 m) high, seven feet (2.1 m) wide, and weighing around 25 tons, topped by connecting horizontal lintel stones.
3 days ago · Stonehenge, prehistoric stone circle monument, cemetery, and archaeological site located on Salisbury Plain, about 8 miles (13 km) north of Salisbury, Wiltshire, England. It was built in six stages between 3000 and 1520 BCE, during the transition from the Neolithic Period to the Bronze Age.
2 days ago · The Great Pyramid was built by quarrying an estimated 2.3 million large blocks, weighing 6 million tonnes in total. The majority of the stones are not uniform in size or shape, and are only roughly dressed. The outside layers were bound together by mortar. Primarily local limestone from the Giza Plateau was used for its construction.
3 days ago · The site includes an open stone circle, a fourfold cairn circle, a long single stone row, 6 double stone rows or avenues, a giant longstone, several other standing stones, several cairns, and the remains of an ancient settlement.
5 days ago · The Great Pyramid is one of the largest buildings ever constructed. It originally stood about 482 feet (147 meters) tall, but erosion and the removal of most of the polished limestone casing stones
- The Editors of Encyclopaedia Britannica
3 days ago · Stonehenge - 1st-2nd Stages, Aubrey Holes, Sarsen Stones, Trilithons, Station Stones: The oldest part of the Stonehenge monument was built during the period from 3000 to 2935 bce. It consists of a circular enclosure that is more than 330 feet (100 metres) in diameter, enclosing 56 pits called the Aubrey Holes, named after John Aubrey ...
3 days ago · Gallstones vary in size, ranging from 3mm to 35mm. Typically, smaller than 5mm gallstones don’t require treatment and will eventually pass on their own without causing any harm. However, larger gallstones pose a greater risk of complications, with those over 10mm in size being of particular concern.
