I’ve actually been there. The floating torii in Miajimia, Japan. The cool this is, with the tide out, you can actually walk up to it.
No that said, this does look altered because it’s much closer to land. Though they could be working with camera angles and white matting.
The physical strokes that make up 43, or the concept of the numeric constant that is 43? If the former, I’ll agree with that. If the latter it’s XLIII