STEP 5:
Now press ctrl+shift+alt+E/cmd+option+shift+E to merge all layer visible.
Now press ctrl+A/cmd+A to select all then ctrl+C/cmd+C to copy the image.
Go back to your previous tab(castle one). Press ctrl+V/cmd+V to paste the image. Now press F7 for the layers palette. Now drag and drop the uppermost layer to the last position.
Press ctrl+T/cmd+T for the adjustment of the photo. Adjust it according to yourself. Press Enter/Return once you are done.