Helicopter main rotor blades rotating against blue sky background, blades of helicopter in motion, powerful engine of aircraft keep moving
Helicopter soars up into the sky after refueling
Close up view of the rotor blades of an Offshore wind turbine wind park.
Close up view of the rotor blades of an Offshore wind turbine wind park. The Netherlands.
Pull back shot of wind turbine in landscape. Spinning rotor blades high above ground. Green energy, ecology and carbon footprint reduction concept
A drone's rotor blades spin in extreme slow motion
NEW
Aerial view of wind turbines in Brandenburg, Germany.
View on Three Rotor Blades
Jet engine rotor blades rotating - airplane in airplane
Wind turbine rotating large rotor blades, generate sustainable electricity power
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Vertical side footage of female Hispanic CEO of renewable energy technologies department presenting new windmill rotor blades mockup during conference in office
Side vertical footage of female Hispanic innovator demonstrating new wind turbine rotor blades to partners and pointing to blueprint image at meeting
High angle view of wind turbine producing clean energy. Striped ends of rotor blades. Green energy, ecology and carbon footprint reduction concept
Side footage of female Hispanic CEO of renewable energy technologies department presenting new windmill rotor blades mockup during conference in office
NEW
Vertical full medium footage of male alternative energy specialist explaining work of new wind turbine fixing rotor blades to its prototype tower during business conference in office
Full medium footage of male alternative energy specialist explaining work of new wind turbine fixing rotor blades to its prototype tower during business conference in office
