Spirited Away appears to be a movie about coming-of-age, spirits and bathhouses. But I think that is only its outer shell. On the inside, it reveals several fascinating symbols:
The Train Sequence is a mesmerizing contemplation on life, death and what lies beyond. Even though its purpose in the plot might be different, its visual setting of isolation and loneliness (and the music that seems to be weeping in the background) transform it into something that is much more than its face value.