Discovery of lost stone artifacts sheds new light on Stonehenge 's purpose . Researchers ' ` ` Bluestonehenge '' was starting point of funeral processional route . It is named after color of Welsh stone from which it was formed . Some have viewed it as temple , astronomical observatory .
Discovery of lost stone circle sheds new light on Stonehenge 's purpose . Researchers say `` Bluestonehenge '' was starting point of funeral processional route . Bluestonehenge is named after color of Welsh stones from which it was formed . Some have viewed Stonehenge as temple , astronomical observatory .