for too dark and too yellow pic
1. open pic
2. do the basic step like crop, sharpen, etc
3. layer > new adjusment layers > selective color
reds : -100,0,0,0
yellows : 100,-24,-100,0
whites : -38,-27,-14,0
neutrals : 74,-12,-15,0
4. layer > new adjusment layers > selective color
reds : -100,0,64,0
yellows : 45,-100,-100,0
whites : 30,19,-28,-13
neutrals : 39,-16,-27,0
5. layer > new adjusment layers > color balance
midtones : -1,15,21, preserve luminosity
6. fill with #a6a0a0 set to soft light 100%
7. duplicate the base layer (background) set to soft light 59%
8. tralala~ finish!