Afterwards, her brother walks in and whistles at nude Sophie while she's in the tub. She tells him to get out and he says "Why so modest now, you let the whole world see you naked before" refering to her at the beach.
3 boys (aged 4 to 7) and 3 girls (aged 7 to 11) visit a sauna together. They run and jump into a lake. Elements of this scene are repeated twice later in the film.