mishinoleg
There is another aspect here, people from ancient times called “it” what they could not explain or fear. So the words appeared: Sun, Heaven, Miracle and many more words, so I consider the link "UFO - It" quite justified.
izm
The window, the tree.
Were they afraid or could they not explain it?
The window. The first person who invented it intentionally could not explain it to the neighbors, digging an extra hole in the wall XD