I would guess 100% not photoshopped.
The source is a Facebook closed group Beautiful Japan https://www.facebook.com/groups/239154746441516/
It is a never ending exceptional collection of exquisite photographs of
Japan.
Here is another:
[image: Inline image 1]
On Sun, Oct 8, 2017 at 7:18 PM, João Pedro Moreira Gonçalves <
joaovox@gmail.com> wrote:
> is this real or photoshop?
>
> where did you find this picture?
>