Its a movie by anime-ghibli . In ENGLISH its also known as Castle in the sky . Laputa is lost city with the passage of time . No one knows about this floating city . It is said that a poweful crystal is used to make the castle fly. A girl who has a small fragment of this crystal gets abducted by some group of military and pirates . Miraculously , the girl escaped and she jumped from the airship . She was saved by the magical crystal . A boy found her . He was trying to Locate the legendary city Laputa . And we got a new adventure !
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Enough with the plot . Have fun watching it