limexd said:photoshop? I think you can artificially create lens flare while post processing... and apply some sort of warming filter as well...
and it's probably shot manual, with the sun included in the frame...
One of photographer's worst fears, lens flares
its better/easier to artificially create flare than to remove unwanted flare... Thats why most lenses/glass have all sorts of coatings to reduce flares...