Angelo D'Arrigo, the Italian hang-glide pilot often performing flights at high ceilings with birds of various species, is going to leave at night for Nepal in order to achieve his project goal of overflying the Everest aboard of a hang-glider devoid of engine. However, D'Arrigo does not intend to perform simply a flight over a mountain of almost 8900 m height, but he aims first of all to lead towards...