LITTERED across the hills of Dartmoor in Devon, southern England, around 80 rows and circles of stones stand sentinel in the wild landscape. Now, striking similarities between one of these monuments and Stonehenge, 180 kilometres to the east, suggest they may be the work of the same people. The row of nine stones on Cut Hill was discovered in 2004 on one of the highest, most remote hills of Dartmoor national park. "It is on easily the most spectacular hill on north Dartmoor," says Andrew Fleming, president of the Devon Archaeological Society. "If you were looking for a distant shrine...