Individuals don’t have a tendency to think about Pussy Riot — the collective of feminist, anti-Putin activists — as artists. However that’s precisely what they’re: Efficiency artists who use punk, poetry and situational agitprop as their instruments. “Velvet Terrorism: Pussy Riot’s Russia,” a 10-year retrospective of Pussy Riot “actions,” which have taken place in Crimson Sq., in a Russian Orthodox cathedral, on the Sochi Olympics, on the 2018 World Cup closing and in Siberian penal colonies, opened at Kling & Bang in Reykjavik, Iceland, on the finish of November. Noisy, scandalous, extremely courageous and, at instances, poignantly poetic, it reveals artwork at its most meaningfully political and free. — S.S.