Add layer mask to remove the right side:
I name this layer “waterfall 1 part 1”.
Step 18
Copy a part from waterfall stock and position it at the top of waterfall 1. After making it as a Smart Object, I use Warp Tool to bend it:
I use layer mask to remove unnecessary parts and blend this part with part 1:
Step 19
To change color and darken these layers together, make them selected and hit Cmd/Ctrl+G to make group for them. Change the mode of this group from Pass Through (default group mode) to Normal 100%. Go to New Layer-New Adjustment Layer-Hue/Saturation:
Curves:
We have result:
Because the mode of this group changed to Normal 100% so these adjustment layers only affect the layers inside this group (waterfall 1 ones).
Step 20
Extract waterfall 2 and move it to the left rock after flipping it horizontally and use layer mask to remove unwanted parts:
I add two adjustment layers (Hue/Saturation and Curves) to match color and brightness of this waterfall with the rest.
On Curves layer mask, I use soft black brush to erase the top part of the waterfall as it gets light more than the bottom:
Step 21
Open trees 1 stock. First I remove most of background from the tree using Channels. Then I copy some tree parts to paste into the mid rocks, remember to convert them to Smart Object before resizing:
You can use layer mask to remove unwanted parts.
Step 22
Make group for these trees as done with waterfall 1. I use a Curves layer to darken and change color these trees as they’re too bright:
I use soft black brush and paint on the left of a tree as it should get some light from sky:
Step 23
Open arch 1 stock. Take the part of the arch and place it at the middle part of mid rocks after converting it to Smart Object, flipping horizontally and transforming it using Cmd/Ctrl+T. I use layer mask to remove the sides of it and make it blended with the rocks:
Step 24
I use Hue/Saturation and Color Balance layers (Clipping Mask) to change color of this arch.
Step 25
Isolate ruin 1 and locate it at the top of the mid rocks. As usual, I convert it to Smart Object and downsize it to fit:
