This fortress was a small infantry blockhouse built during the First World War, once called “Blockhaus Unten” and then renamed “Forte Olimpio” in 1980. The reinforced concrete fortress consists of a tunnel trench line, covered entirely with a concrete shelter. In the tunnel, there are four machine gun stations and two

In the northern part of the Canton Ticino, there is a flat ever green plain called il Piano di Magadino. It has a water meadow landscape with its wealth of amphibian and bird wildlife, accessed in Bolle di Magadino natural reserve, which represents the delta area of the Ticino river before