Canterbury and Exeter cathedrals boast magnificent architecture Some historic treasure dates back even further Dating back thousands of years, its origins still remain a mystery This giant circle of stones stands out as one of Britain's most famous sites We think it was probably used as some kind of temple It's amazing that it's survived from so long ago https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_green.swf