Giant Jack

Giant Jack is a giant beanstalk in the center of Upper Yard, going through the center of the once-great city of Shandora, Giant Jack towers over all of Skypiea. God's Shrine rests upon an Island Cloud that the Giant Jack goes through. The Golden Belfry was knocked up by Giant Jack, and resides on a cloud nearby. Giant Jack is a beanstalk, a reference to the western-culture story of Jack and the Beanstalk.