>>2624531Bro, use the levels tool for that. It fixes brightness, contrast and colors in one hit. Mask the sky so you can adjust the rest properly (select "color range" is very useful here). Then repeat, but mask the rest of the image so you can adjust the sky seperately.
(I did the masking quick and dirty so the edges of the building look a little weird, but you get the idea).
>>2624435C&C anyone?