Architectural exterior dusk photography usually needs a lot of post-production work. Light levels and color temperatures, in the straight out of camera image, will never match. Skies often look dull and need to be replaced. Security flood lights and exterior wall speakers are usually a design catastrophe, but a necessity. And the list goes on and on. Move the slider to see the original straight out of camera image and retouched final version. Find at least 10 difference. ;-)