Leylines
The existence of leylines and their relationship with ancient trackways was first suggested in 1921 by the amateur archaeologist Alfred Watkins, in his books Early British Trackways and The Old Straight Track. Watkins theorized that these alignments were created for ease of overland trekking on ancient trackways during neolithic times and had persisted in the landscape over millennia.
Read more about this topic: Ancient Trackway