Fake. According to Weibo, official of Serbian Cultural Center, Serbian dancers refer to traditional Serbian dancers or dancers. Serbia is a country located in the Balkans in Eastern Europe, and its traditional dance plays an important role in Serbian culture. It is an urban legend that Serbian dancers hold fake knives. It is about seeing a woman dancing Serbian waist in the street in the middle of the night. If you come near, you will kill her. However, this is a script created by the external network, which attracts people's attention.