Nestled among the Orobic Alps, the Italian valley of Valtellina is known across Europe for its glorious apples. The fruits grown on its terraced slopes are recognized by the European Union as products of protected geographical indication, due to their their distinctively crunchy texture and fragrant flavor. The trees themselves have also turned the valley into a destination. During spring, hikers and bikers flock to trails among the flowering apple orchards and their stunning Alpine backdrop. But in recent weeks, the valley has made headlines for a dramatic reason. The…