I saw this gyroplane near Milovice airport this weekend while wandering local nature.
https://en.wikipedia.org/wiki/Autogyro
Gyroplane is not a helicopter. The rotor is not powered and it is not quite usual to see such type of aircraft.
Milovice, Central Bohemia, August 2017
Pentax K50 f 11/400 sec; ISO 200; lens zoom 4,5-6,3/55-300 mm