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Wind turbines and solar panels at sunset. renewable energy concept.
Wind turbines are alternative electricity sources, the concept of sustainable resources, People in the community with wind generators turbines, Renewable energy.
The Solar energy on day light
Aerial view of solar panel cells against cloudy blue sky. Alternative energy concept, sustainable resources. House with solar panels stand-alone photovoltaic plant system. Professional installation
Close up of man technician in work gloves installing stand-alone photovoltaic solar panel system under beautiful blue sky with clouds. Concept of alternative energy and power sustainable resources.

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