Silbury Hill is a prehistoric artificial chalk mound near Avebury in the English county of Wiltshire. It is part of the Stonehenge, Avebury and Associated Sites UNESCO World Heritage Site and was probably completed in around 2400 BC <br /><br />It is 39 metres high and 160 metres wide and is the tallest prehistoric man-made mound in Europe and one of the largest in the world. Its construction is estimated to have involved about 4 million man hours of work. Half a million tonnes of material, mostly chalk, were used to create it
Silbury Hill is a prehistoric artificial chalk mound near Avebury in the English county of Wiltshire. It is part of the Stonehenge, Avebury and Associated Sites UNESCO World Heritage Site and was probably completed in around 2400 BC <br /><br />It is 39 metres high and 160 metres wide and is the tallest prehistoric man-made mound in Europe and one of the largest in the world. Its construction is estimated to have involved about 4 million man hours of work. Half a million tonnes of material, mostly chalk, were used to create it
