Duplicate this layer and move it to the right of the foreground. Flip it horizontally (Edit > Transform > Flip Horizontal) and use a layer mask to blend it with the foreground besides the mountains 2.
Duplicate this layer and move it to the lower section of the foreground. Change the layer mask to make it visible on the edge of the land near the foreground.
Select all the landscape 4 layers and hit Ctrl+G to make a group for them. Change the group’s mode to Normal 100% and make a new layer within this group. Select the Clone Tool to correct some unwanted details.
Make a Color Balance adjustment layer and change the Midtones settings:
Create a Curves adjustment layer to brighten the landscape as it’s too dark compared with the background. On the layer mask, paint on the part on the corner of the right bottom to remove the light there.
Add a Levels adjustment layer to brighten the landscape more. Paint on the part besides the mountain 2 so it won’t be brightened by this adjustment layer.
Create a Brightness/Contrast adjustment layer to increase the contrast of the landscape. Use a soft black brush to remove the contrast of the part on the background to keep its softness.
Add the landscape 5 to the left side of the canvas and convert this layer to a Smart Object. Use a layer mask to remove most of the background, leaving the mountain and some part of the ground visible only.
Apply an Unsharp Mask filter with the same settings done in the step 29.
Make a new layer and use the Clone Tool to remove the line on the mountain.
Create a new layer, change the mode to Overlay 40% and fill with 50% gray. Use the Dodge and Burn Tool to paint more details and texture on the mountain.
Add a Color Balance adjustment layer and alter the Midtones values:
Use a Curves adjustment layer to increase the contrast of the mountain.
Make another Curves adjustment layer to give the front of the mountain some dreamy effect. Paint on the rest so they won’t be affected by this adjustment layer.
Make a new layer on top of the layers and use a small hard brush with the color #46c9de to paint a blue surface for the small pond on the left. Lower the opacity of this layer to 90%.
Isolate the birds from the background and place them on the left of the sky.
Create a new layer and use a soft brush with the color #8d9c85, the opacity about 19% to paint some mist for the area in the middle of the right side.
Make a new layer and use a soft brush with the color #d4d0bc to paint some mist for the mountain and the ground. Change this layer mode to Soft Light 90% and use a layer mask to remove and reduce the mist opacity on the hidden side of the mountain.
Create a new layer and use the same brush to paint a dreamy effect for some details on the background. Alter this layer mode to Soft Light 100%.
Add a new layer and use the same brush, the opacity about 20% to paint more mist for the small pond area on the background.
Make a new layer and use a soft brush with the color #dcca63 to paint some yellow for the front of the mountain and on the ground. Change this layer mode to Color 30%.