kemushi_no_boro
A 2018 short animated film written and directed by Miyazaki Hayao about the simple journey of a caterpillar. Originally pitched by Miyazaki in the mid-1990s as a feature-length film for Studio Ghibli, this proposal was scrapped in favor of producing Princess Mononoke.
Currently, it can be viewed only at the Ghibli Museum in Inokashira Park, Tokyo.