Kukeri are men and boys, and in recent  years women, too, who dress up like like monsters - the so called Kukeri. The sinister looking Kukeri dance and make a lot of noise with the bells hanged around their waists in order to chase away the evil and the winter. Their costumes are predominantly made of genuine leather and feathers and have to make them look big and scary. The costume with all the bells could weight up to 40 kg.
Those kind of festivals are held annualy in Bulgaria but Surva in the city of Pernik is the biggest one with over 10 thousands of participants in the last winter.
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