The great and ancient stone circle of stonehenge was built between 3000 bc and 1600 bc and is aligned with the rising and setting of the sun at the solstices however its exact purpose remains a mystery this striking poster features an exclusive image from english heritage39s photo library depicting the central alter stone framed within the outer sarsen stones it shows why stonehenge continues to be a source of inspiration and fascination todaykey featuresexclusive to english heritageprin