KidsSonia Fernández-Vidal: "Mathematics has a beauty that, once you understand it, you enjoy it immensely."Bea Cabezas19-06-2025
![Sonia as a child](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)