Motorless flying with a glider by using the thermal.

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Size: 5000px × 3333px
Photo credit: © Sabine Thielemann / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: aerodynamics, air, airplane, balloon, challenge, clouds, controlled, descent, flaps, flieger, flier, flight, flying, foggy, freedom, glide, glider, gliding, hobby, hoch, hovering, instructor, landing, leisure, lessons, machine, maneuver, meadow, motor-, oleander, operations, overflight, pilot, pilots, plane, power, remotely, sailors, saving, silently, situation, sky, slow, soaring, sport, sports, start, strength, supporting, surface, thermal, unlimited, upwind, weather, wind