1. First you choosing a picture.
2. Click Image>Adjustments>Hue/Saturation and check the colorize box then give the following settings.
3. Your image will look like this.
4. Click Image>Adjustments>Curves, so you make a kind of "stair" shape see image.
5. Your image look like this.
6. Click Image>Adjustments>Hue/Saturation and check the colorize box then give the following settings.
7. Here is your final image.
