Ключевые слова: banner, child, children, closed, demonstration, desk, doodle, draw, education, freedom, government, jobs, lives, marching, message, ministry of education, negotiate, people, picket, placard, poland, polish, political, poster, problem, protest, protester, protesters, public, raise, reforms, salary, school, sign, social, strike, student, teacher, teachers, teachers protest, teenagers, teens, voice, vote, warsaw, work, worker, written,