Disney has so many iconic films in their vault that audiences couldn't imagine looking any other way. However, so many years of development go into creating the perfect picture, and in many cases, there are countless changes to navigate. Whether it's the live-action department, PIXAR, or even Walt Disney Animation Studios itself, these production teams have always tried to put quality above everything else.
Source：https://www.cbr.com/classic-disney-movies-that-were-almost-completely-different/
