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Heliport in Portland's Old Town. I took this because of the NOTAR helicopter. NOTAR means no tail rotor. It uses a ducted fan rather than tail rotor blades. Some 60% of helicopter noise is produced by the interaction of the tip vortices of the main and tail rotor. Used by police for patroling. en.wikipedia ....
A large panorama of Sassari, with the Faculty of Agriculture in the upper-right corner, the Hospital "SS. Annunziata" with the heliport and the new constructions. The building in first place is the University House, in Via dei Mille