迪士尼将推出[冰雪奇缘]衍生短片[雪人往事](Once Upon a Snowman，暂译)，首款海报同时曝光。从片名与海报可以看出，这是关于雪宝的故事。该片将于10月23日登陆Disney+。
遇播放卡顿或无法播放时，可切换线路播放
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