'Lost chapter of human history' uncovered in mysterious 40,000-year-old symbols
Researchers said they had 'only scratched the surface' despite their breakthrough find
Archaeology
Neolithic monument 'where bones of Merlin the magician buried' to see demolition work
The site is also home to a Norman castle built by William the Conqueror
Archaeologists discover remains of weapon that spread 'terror and confusion' among Roman army
Remains of the largest terrestrial animal have been found in southern Spain
