I think you must have written your comment right after Dang changed the title, and so were not aware of this change, nor the original title here on HN (~"3500-y

I think you must have written your comment right after Dang changed the title, and so were not aware of this change, nor the original title here on HN (~"3500-year-old Greek structure found in Croatia"). It doesn't make sense otherwise TBH.