Nausicaä of the Valley of the Wind

Centuries after war has devastated the earth, Princess Nausicaa leads the people of the Valley of the Wind. Feuding clans fight with planes and tanks as well as swords in a world that is both primitive and futuristic. In addition to her people's conflicts with other factions, Nausicaa must also contend with the insects of the jungle including the Ohmu, a race of giant, intelligent bugs that poisons the surrounding atmosphere - and is spreading rapidly.