You often hear people talking about stonehenge but not so many people have heard of its close neighbour Silbury Hill - the biggest man-made hill in Europe.Silbury Hill was constructed at around 2700 BC about the same time as the Step Pyramid in Egypt. Is Silbury Hill a representation of a pyramid? And what does a pyramid represent? Does it represent anything other than a stable configuration for a large building - perhaps silbury hill which is made from gravel and chalk and some stone (the readily available local materials) wouldn't have been so stable if they had built a pyramid.And who were they? Could stone circles be representations of the craters of volcanoes- stonehenge has volcanic rock incorporated into it that was dragged 140 miles to the site.A lot of effort went into building stonehenge and silbury hill but the oldest parts of stonehenge predate silbury hill by 1000 years.However given how long pyramid building went on for in Egypt could Silbury Hill be a construction closely related to Stonehenge.If stonehenge was a representation of a volcanic crater and silbury hill - the biggest man made hill in europe - was a volcano, could that volcano be Mount Etna - the most active large volcano in Europe? A map of western europe shows that the outlines of italy and great britain look like the legs of a lizard/turtle with spain forming the head.And the south west of great britain looks like italy as a whole.Did ancient people notice these things,think of great britain as the other leg of their turtle/lizard and come to britain from italy to build stone circles which represented volcanic craters in italy?There are many volcanoes in italy! And if pyramids represent volcanoes too are these volcanoes in africa or in europe?