article_snippet: Some people think the stones have healing powers, while others think others have musical properties when struck with a stone.
article_snippet: What is clear, is that the stones were aligned with phases of the sun.
article_snippet: Experts think that the route was a busy one and that Stonehenge could be viewed differently from different positions.
article_snippet: It seems that instead of being a complete barrier, the Curcus acted as a gateway to guide visitors to the stone circle. '
article_snippet: It began as a timber circle, later made permanent with massive blocks of stone, many somehow dragged from Dolerite rock in the Welsh mountains.
article_snippet: Dolerite has a bluish tinge and is dappled with white spots that look like stars, according to Mr Spalding. '
article_snippet: Dolerite, weighing between two and four tons each, were transported 250 miles [400km], an extraordinary achievement in those times, which indicates that building Stonehenge was a massive communal enterprise,' Dolerite said.
article_snippet: Previously it had been thought the arrangement of the stones (aerial view shown) was solely to align with the sun (shown), but Mr Spalding new theory suggests they had another purpose as well .