Step 4

Add a new layer, change the mode to Overlay 100%, and fill with 50% gray. Use the Burn Tool to darken the rocks more.

4. How to Add the Bird

Step 1

Isolate the bird from the background and add it to the upper middle section. Use the Free Transform Tool (Control-T) to make it much smaller to create an impression of distance.

Step 2

Create a Hue/Saturation adjustment layer to desaturate the bird.

Step 3

Use a Curves adjustment layer to reduce the bird's visibility, making it fade out into the foggy background.

5. How to Retouch the Arch

Step 1

Cut out the arch from the original image and place it above the stairs. Use a layer mask to erase the bottom and blend it with the existing ground.