Their monuments survive, but their houses (rare exceptions aside, particularly in Orkney) are lost to us, so in the later Neolithic and earlier Bronze Age, these henges and stones circles seem to have been the prime concerns of the people who built them.

BBC: Discovering Britain��s prehistoric stone circles

Nevertheless, stone circles and henges do appear to be connected parts of a tradition that developed in Britain from around 3000 to 2000 BC - in other words, during the later Neolithic period (when agriculture began here) and moving into the earlier Bronze Age (when we see the first use of metals, from about 2400 BC).

BBC: Discovering Britain��s prehistoric stone circles