Ключевые слова: aerodynamics, aircraft, airfield, airplane, airport, aviation, aviator, blue, cockpit, field, flight, flying, freedom, glider, grass, green, ground, hobby, landing, landscape, leisure, meadow, outdoors, pilot, plane, sailors, sailplane, side, silence, silent, sky, soaring, sport, sporting, summer, thermal, training, upwind, white, wings, wingspan,