Howdo Mr Tribble,
If it ain't prehistoric, it's a bit out of place on tma.
Your perception of 'Energy lines' isn't really enough to count as evidence of prehistoric origins, however strongly you feel it yourself.
Sorry to sound like a git, but the whole leyline thing is wearing a bit thin. This isn't a website about leylines. It's a website about prehistoric sites.
That's me said me piece. Time to climb back into the lightbulb now.
Tyneside out.