PERNIK, BULGARIA - JANUARY 28: Performers bang their bells together as they make their way to the town square for the first day of the annual Surva International Festival of the Masquerade Games on January 28, 2017 in Pernik, Bulgaria. The two day Surva festival is the largest traditional folklore events of this type across the whole Balkan Peninsula. Around 6000 people from every folklore region of Bulgaria, participate in the pagan event which sees masked Kukers, (mummers) and Survakari dancers, as well as costumed pagan dancers from across the wider region parade through the city streets. The Kukeri tradition is included in UNESCO's list of protected non-material cultural heritage. (Photo by Dan Kitwood/Getty Images)
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