A protester, seen wearing a mask depicting Paraguay's President Horacio Cartes, takes part in a demonstration against a new tax law, in downtown Asuncion, Paraguay, October 19, 2015. The protesters, who are owners and employees from about 300 cooperative businesses, said that they are demonstrating against a new law that establishes a value-added tax of 10 per cent to their services. The sign above reads, "Thanks for collaborating with secretaries" REUTERS/Jorge Adorno