1)The original shot.
![](http://www.pbase.com/xianren5588/image/107188419/original.jpg)
2)De-Saturation for all the channels other than yellow and red.
![](http://www.pbase.com/xianren5588/image/107188420/original.jpg)
3)Image-Mode switch to Lab Mode. Select curve, curve a and b to S shape,
![](http://www.pbase.com/xianren5588/image/107188421/original.jpg)
4)Using mask and curve-light to lower the light at the background. Here is the final result.