thumb|upright=1.1|A view of the Stonehenge Cursus , drawn by their documenter and namer of the structures, William Stuckley in 1740 Cursuses are monumental Neolithic enclosure structures comprising parallel banks with external ditches or trenches. Found only in the islands of Great Britain and Ireland, relics within them indicate that they were built between 3400 and 3000 BC, making them among the oldest monumental structures on the islands. The name 'cursus' was suggested in 1723 by the antiquarian William Stukeley, who compared the Stonehenge cursus to a Roman chariot-racing track, or circus
thumb|upright=1.1|A view of the Stonehenge Cursus , drawn by their documenter and namer of the structures, William Stuckley in 1740 Cursuses are monumental Neolithic enclosure structures comprising parallel banks with external ditches or trenches. Found only in the islands of Great Britain and Ireland, relics within them indicate that they were built between 3400 and 3000 BC, making them among the oldest monumental structures on the islands. The name 'cursus' was suggested in 1723 by the antiquarian William Stukeley, who compared the Stonehenge cursus to a Roman chariot-racing track, or circus.
thumb|right|upright=1.1|Stonehenge Cursus, Wiltshire Cursuses range in length from to almost . The distance between the parallel earthworks can be up to . Banks at the terminal ends enclose the cursus. Over fifty have been identified via aerial photography while many others have doubtless been obliterated by farming and other activities.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).