In addition to looking through a telescope like famed Italian astronomer Galileo, Luca is shown some of the books that Giulia keeps in her room, each one open to famous Italian contributions to culture.
What follows is a sports action scene that ends with each kid getting hip-checked or the ball hitting their sternums and kids face-planting in the water left and right.
Later, when Massimo notices that Alberto is staring at his sleeve, he answers the question that Alberto is obviously wondering about, saying that a sea monster ate his arm.