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I was curious and I did regression hypnosis about decade ago. It felt extremely emotional, like a real memory I would have. I later found a place and met a person from those "dreams", but I thought better to ignore it all, thinking that I must have seen it in some movie, or whatever trick was played by or on my subconscious.

Stupid me, I did it again recently, out of boredom I guess. This time the images were not traumatic, on the contrary. So I looked around that place the name I found years ago with google maps, and I found the exact same beach that I saw in hypnosis, they have wells there near the beach too, was mind blowing.
I have no interest in that place, even now I see it's beautiful there though, almost same as where I am now.
Neither I have any interest in times around first world war, so I never watched some war movies.
So how is this even possible?

Do you have any experience with this or any theories?