CNN. Silvia Marchetti. April 26, 2021 The pandemic is raging, quarantine rules are changing by the day, and there's still uncertainty over when we might vacation again, but one thing remains constant in the travel world: the €1 houses of Italy. This month, it's the turn of another Sicilian town, Castiglione di Sicilia, to offer houses for the price of a coffee. On the slopes of Mount Etna, near...