Flash

Flash adds light to dark areas. It freezes time to eliminate blur. The cons of flash is that it takes away shadows and make you look flat. Also, if you take a picture at night it will black out your background. Flash is a great idea when your subject is dark and the background is light. It will get the best of both worlds. Flash is almost never a good idea. It just takes too much from the photograph. In this photo, you can see the sky and the rich colors of the lights.