From the comparison between the original picture and the effect, we can see that the author has achieved an effect that was impossible to achieve once. And the repair process is only 3 steps. It can be seen that the author's coloring skills are very strong.
Original picture
final effect
1. Open the original image material, create a curve adjustment layer, and adjust each channel. The parameters and effects are as shown below. This step mainly removes the red color from the photo.