article_snippet: Archaeologists have long speculated that the huge man-made structure in Wiltshire Wiltshire was an ornate grave or a ceremonial altar used in  rituals.
article_snippet: Mysterious: Until now archaeologists and historians have  speculated the huge man-made structure in Wiltshire
article_snippet: Archaeologists have long speculated that the enormous manmade structure in Wiltshire was an ornate grave or a ceremonial altar used in rituals .
highlights_snippet: It has long been speculated the huge man-made structure in Wiltshire was an ornate grave or a ceremonial hilltop for religious rituals .
  