The original photo might have been more simple and plain. The sclera of the eye would have been white, and the eyelash would have been more crisp (darker). This photo is edited with colour contrast, saturation, blurr, and maybe some highlight/ some sort of lightening to make one side of the eye more brighter. The editing made the picture more attractive and colourful. The picture looks unreal, but pretty.
The original photo might have looked more realistic and less strong in exposure. The sky wouldn't have variety of colours like it does in this photo. Editing such as exposure, brightness, saturation, shadow, maybe tiny of colour, border, would have been done in this picture.The editing made the picture look more like a painting rather than a real photograph.
The original of this picture would have looked more simpler. There wouldn't have been purple/pink/blue colours like there is in this picture. Editing such has exposure, colour, sharpness, contrast, shadow, brightness/darkness, would have been done in this picture. The editing made the picture look more attractive and nice.
The original picture would have looked less sharp and clear in picture quality. Editing such as brightness, sharpness, saturation, contrast, maybe colour, would have been done in this picture. The editing made the sky look nicer, along with the little details of city lights on buildings.
The original picture of this wouldn't have had a misty effect, and some parts of the picture glowing. Editing such has brightness, blurr, highlight, contrast, saturation, sharpness, shadow and background, may have been done in this picture. The editing made the picture more eye catching and unique.