The challenge of trying to remain true at our core to the designs of these original monsters that people really hold dear in their hearts, but also bringing them up to date in a way that honors their past, but feels much more contemporary, not only technologically, but in terms of how monsters function in movies as characters. We focused a lot of design attention on what the environment in terms of how all the monsters are affecting it, whether they’re directly or indirectly affecting it and what, visually, their place is in [the] world and what sort of natural elements they represent.