Ключевые слова: 3d, activist, art, attack, banner, bat, baton, contour, crowd, defense, demonstration, equipment, flat, freedom, gas, group, guard, holding, icon, illustration, isolated, isometric, law, line, linear, lineart, officer, outline, people, pepper, pink, placard, policeman, political, protect, protection, protester, revolution, rubber, safety, security, self, set, sign, square, strike, tear, truncheon,