yeah.. but if you'll meet it.. when you see at something that can't exist, it's really strange feeling :-) you can't know what you should do, any wrong move can send you into Psychiatric ward :-) ..if you seeing ghost don't try to touch it and it will be better if you just won't be looking at it
and UFO.. maybe you saw it lol but just can't remember
lol
..i'm really crazy in this theme lol