Color correction can change a lot the way a movie looks and the difference between the initial footage (raw) and the final scenes can be quite big.
This thing is called 'Skyline Luge', it's located in Queenstown, New Zealand. It's only 800-meter long, but the cool thing is that you can overtake other people.
Better watch out for roadside debris when biking. Also, the guy behind him had some amazing reaction speed!
This is the final end credits scene of the movie 'The Boxtrolls'. It shows the viewers in a very meta conversation how much work goes behind this kind of animation.