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some friend asking me how to edit this photo..., it's simple really..

ok, here's i give some clue

edited on PSCS2

first step: - duplicate layer

so i called layer A and layer B (same photo)

actually I give levelling separately to this photo.

layer A for levelling the Ground part (grass, water..etc)
(when you do this, the sky become wash out..or white..)

layer B for levelling the sky part
(when you do this the ground become dark.)

Second step: - after levelling, erase the upper layer ( in this case, you should erase the black part on layer B

Third Step: create new adjusment layer brightness/contrast and give about 23% brightness

Fourth Step: create new adjusment layer photo filter, choose black color and give density amount about 70%

Fifth step : create new adjusment layer solid color and give color R=224, G=224, B=224. Fill about 70% and blending mode set to colour burn

download photoscape from [link],
open the photo, and use color enhanced menu...

and it's done