🇬🇧 United Kingdom · Earthwork
Thornborough Henges — North Yorkshire
Late Neolithic (c.3500–2500 BCE) · British Late Neolithic (Grooved Ware)
Thornborough Henges (Neolithic c.3500–2500 BCE) are Britain's finest henge alignment: three huge circular earthworks 240 m diameter each, bank 2 m high with outer ditch and twin entrances aligned…