October 2021
Beginner
132 pages
2h 53m
English
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Why Sharing Knowledge Is Critical: Some Historical Perspectives
Stonehenge
About 5,000 years ago, a mysterious tribe of ancient people in the north of Britain began the construction of Stonehenge. This massive project evolved over centuries, as construction was passed on to new groups of nomadic people as they entered and took control of the area. Huge sarsen stones, up to 25 ft. tall and weighing over 30 tons were lugged 18 miles to the site, while other, smaller bluestones weighing between two and five tons were transported from a quarry, an astonishing 150 miles away. These gigantic rocks were then carved and raised vertically to form a circular ring, and then these ancient craftsmen somehow lifted massive slabs atop each vertical ...