It's becoming clear that Peru is home to some sort of attraction for the ETB's. Not sure if this is the site of a long-ago base of operations or some important mineral (uranium) deposit site or what but a lot is happening there.
A three dimensional perception of a four or greater dimensional image. What we perceive is comparative to seeing a 2 dimensional image of a cube, a flat square with no depth no height. We are looking literally at the tip of the iceberg.