When it comes to the mysteries of Britain's #Neolithic past, Stonehenge is probably the structure people would recognise the most.

But archaeologists are now beginning to unravel the secrets of an even stranger structure, built off the coast of #Norwich 4,000 years ago.

Researchers believe that ' #Seahenge' and a second nearby #monument were built by ancient Britons during a period of extreme cold, in an effort to try and bring back the warm weather.
https://www.sott.net/article/492229-Unravelling-the-mystery-of-Seahenge-Timber-structure-was-built-off-the-coast-of-Norwich-4000-years-ago-during-an-extreme-cold-spell