Video prompt: A lively shopping mall during a holiday sale, where festive decorations dazzle, shoppers bustle from store to store, and the holiday spirit is palpable. .
Defect: Blurring (abnormal blur, e.g. one bird of a group blurs)
Explanation: The face of the person appears excessively blurred and undergoes shape deformations during movement, creating an unrealistic effect as facial features should remain clear and stable.