Ley-lines are alignments that supposedly circle the globe, connecting important monuments and sites. The fact that they’re moving gives the impression that things are starting to change on Earth very quickly: nuclear reactors are disappearing, and Atlantis has suddenly risen. However, the fact that Atlantis’s inhabitants are wearing diving masks hearkens back to Adam’s conversation with the Them, when Wensleydale said that he would have stayed and worn a diving helmet. This connection hints that all of these changes are because of Adam’s interest in the theories in the
New Aquarian. As Crowley predicted earlier, Adam is making things happen with his Antichrist powers, even though he’s not aware of it—and because Adam is an imaginative 11-year-old, current events tend toward the fantastical.