Researchers have recognized the frequency of UFO sightings on ley lines, pardon the pun...Actually some may understand it is a frequency associated with the ley line as well as it happens 'often'. I read UFO buffs in France recognized this phenomenon first and some say the crafts follow the electronic earth grids that act as maps and also energize the ships. I think the ley lines have stargate portals that allow the craft access points from other dimensions. I believe these stargates remain active from the days of Atlantis. The Mississippi Valley area here is full of Indian Mounds built when this area was an Atlantean colony. In Atlantis they often received visitors from the stars and interacted with them. Since my own childhood abduction was on an Indian Mound I believe they materialized through an old stargate still operable. I wonder if I was randomly selected because they found me playing alone on the mound or if it was because of my old Temple Training? Was the 'abduction' an activation so i would remember my Earthkeeper mission when the time was right? I believe the mounds elongated ridge shape indicated it was a Temple Mound & the stargates were housed on these. Of course I know all sightings aren't in Indian Mound country so there are different kinds of portals. I believe the visitors cross dimensions rather than space travel or with their technology it's a combination. I believe some may be friendly and wish to assist us; some come for our resources and to mess with us as well, creating hybrids for their own agenda. Since all kinds of people have sightings I think in theory anyone can see them but mass consciousness remains in denial so maybe a certain sensitivity is needed or as one sage said, "Just look up"!