The American journal Archaeology has a very interesting article about an excavation at a site in Sachsen Anhalt which shows great resemblances to Stonehenge, although it was constructed in timber, and which can be dated to the same era - 2800 to 2500 BC. What emerges is evidence at both sites for strong societal organisation which later developed into the culture of the Bronze Age. The age of the Beaker people was more complex, and more comprehensible in a continental
sense, than was thought hitherto.
This very stimulating article can be read at Stonehenge's Continental Cousin