Huge ritual monument found near Stonehenge A monumental semicircle of 90 huge stones has been discovered near Stonehenge, buried beneath the outer bank of the prehistoric Durrington Walls earthworks – one of Europe’s largest “henge” monuments Artist’s impression of stones Stonehenge 3km River Avon SALISBURY PLAIN 500m 1,640ft Row of stones: Up to 90 massive stones discovered using ground penetrating radar. Once stood 4.5m high forming southern edge of C-shaped arena Chalk ridge: Cut around sides to accentuate border of natural depression Up to 30 stones have survived because they were pushed over and covered with huge bank of earth Stones thought to be “sarsens” – hard sandstone blocks that make up most of Stonehenge’s standing stones (right) Durrington Walls “superhenge”: Thought to be Neolithic ritual site built around 4,500 years ago Neolithic arena: Bordered dry valley and faced directly towards River Avon Durrington Walls: 1.5km in circumference Source: Stonehenge Hidden Landscapes Project Pictures: Ludwig Boltzmann Institute, Getty Images © GRAPHIC NEWS