chalkboard drawing

His films frequently feature chalkboard scenes as symbols of education, power, and social commentary, most notably in *Salò* and his documentaries exploring class struggle.

His social realist works consistently use school settings and chalkboard imagery to critique educational systems and class inequality in working-class communities.

His semi-autobiographical films, particularly *The 400 Blows*, use classroom and chalkboard scenes to explore the tension between institutional authority and individual freedom in youth.