These aren't any typical Christmas lights... Do you know what kind of Christmas lights and music of video? You'll receive a reward if your correct answer is in the top five. Please leave your answer at comment area with your name and year of graduated. Thank you!(这些不是传统的圣诞灯...您知道是何种圣诞灯以及视频音乐吗? 若您的正确答案在前五名中,您将获得奖励; 请把您的答案留在评论区, 以及您的姓名和毕业年份,谢谢!)
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