Earlier explanations, including the view proposed by Inigo Jones in 1630, that Stonehenge was built by the Romans such was its sophistication and beauty, were disproved in the late seventeenth century. It was proven that Stonehenge was the work of indigenous neolithic peoples. From this period onwards artists made images of barrows, standing stones, and excavated objects which increasingly drew on highly imaginative ideas about the prehistoric people who created them. These helped to create the image of Britain that a broadening audience was becoming aware of through illustrated books, maps, and prints. Poets and other writers deepened the impact of this visual material by imagining ancient pasts and mythologising the distant roots of the growing British Empire. Debates about British ancestry and national identity saw a growing conviction that the British were an ancient people, and that the newly named 'United Kingdom', might find greater harmony through searching for a common past. For the English, this past was to be found in the West, starting around Stonehenge and stretching into the ancient Celtic regions of Wales and Cornwall.