Duomo square, Italia, Italy, Milan, Milano, Piazza Duomo, adolescente, adolescenti, adolescenza, affollamento, bianco e nero, bird, birds, black and white, città, crowd, crowding, demonstration, folla, giovane, giovani, gioventù, manifestazione, piccione, piccioni, pigeon, pigeons, protest, protesta, ragazzi, school, scuola, statua, statue, student, studente, studenti, students, teenager, teenagers, town, uccelli, uccello, young people, youngster, youngsters, youth, Lombardia, Lombardy, dissenso, dissent