Originally Posted by titansupes
100% agreed, that was exactly my thought process on it.
Also, the black with the water falling acts like a curtain going down.
Yup. And with regards to the water, it even thematically resonates as a counterpoint to the ice that opened the film. And water is a nice indicator of the eternal (like the ocean symbolizing infinite subconscious in Inception). But also the natural flow of life, change, etc.