Svizzera Pesciatina, also called Valleriana, is a territory full of hills embellished by ten pearls: the towns of Pontito, Stiappa, Castelvecchio, San Quirico, Vellano, Sorana, Aramo, Fibbialla, Medicina and Pietrabuona...

The term "switch" was chosen directly by the researchers, and the analogy with electricity is decidedly ...