Archaeologists have discovered traces of a wooden structure built 5000 years ago, 5 kilometres from Stonehenge, which appears to have been an even older monument for marking the summer solstice
Source: [New Scientist](https://www.newscientist.com/article/2530818-ancient-monument-may-have-been-an-early-stonehenge-prototype/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home)