This young man is doing fascinating work. Links to his water cooled spark gap designs he proposes are the purpose for those mysterious linghams found all over asia. See Praveen’s videos on India temples to seem lingham images. And…the young man proposes high frequency electrical energy / electrodes were used to soften stone / form the megalithic structures. Fascinating work!
How a Spark Gap Lingam (SGL) Works (youtube.com)
The Greatest Mystery, Solved. Recreating Ancient Stone Melding Technology (Part 1) (youtube.com)