An amazing feat

ARCHAEOLOGISTS say Stonehenge, the ring of immense stones on southern England's Salisbury Plain, served as an observatory to mark the seasons and as a ceremonial centre to celebrate the sun.

ARCHAEOLOGISTS say Stonehenge, the ring of immense stones on southern England's Salisbury Plain, served as an observatory to mark the seasons and as a ceremonial centre to celebrate the sun.

Building began around 3000BC when Neolithic people dug a circular ditch about 100m in diameter. In about 2000 BC a double circle of 60 bluestones was erected.

The stones came from Wales, 400km away - an amazing feat of water and overland transportation for Bronze Age people, especially because the stones weigh four tons apiece - howstuffworks.com

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