As an example of halo: In the above image, you see a brighter border surrounding the object. More obvious is the portion in the top right hand corner between the structure and the sky. The other obvious area is the white border surrounding the chains.
The tone mapping is pushed way too aggresive. You should try to tone down a bit.
Ohh now i get it the surroundings of the areas. Some sort like vegenneting rite?? That one is one of my point of editing.i put it that way.. Bt i dunnoew its overdone .. Ill work it out thnx for the tips ill look it out