Demonstamnti izvikuju slogane i nose transparent na kom piše: "Zabrinite ispitavanja gasa iz škriljaca putem hidrauličnog lomljenja" na skupu 14. januara u centru Sofije. [Reuters]
Protesters shout slogans and carry a banner that reads "Ban the shale gas tests through hydraulic fracturing" during a rally in central Sofia, January 14th. [Reuters]