This photo has gone viral: millions of internet users are wondering why the water in the photo is both brown and blue.
Fortunately, it didn’t take long to find a clue: the author of the photo provided another of his works, which explained how such a clear border appeared. Let’s see if you can guess the secret!
Look carefully at the picture.
QUESTION 1 OF 1

This is a collage of two images.
This is the special filter effect