Italia, Italy, Milan, Milano, adolescente, adolescenti, adolescenza, bianco e nero, black and white, demonstration, forze dell'ordine, fumo, fumogeni, fumogeno, giovane, giovani, gioventù, manifestazione, police, polizia, protest, protesta, ragazzi, school, scudo, scuola, security, shield, smoke, smoke bomb, smoke bombs, student, studente, studenti, students, teenager, teenagers, young people, youngster, youngsters, youth, Lombardia, Lombardy, dissenso, dissent