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solar panels and wind generators under blue sky on sunset
solar cell system and Wind turbines at sunset, an alternative energy resource from wind that can produce electricity both day and night. renewable power and environmentally friendly
Solar photovoltaic panels on roof on a top of house in forest. Concept of alternative, renewable energy and home autonomy.
solar panels on blue sky and sun. clean energy, environmentally friendly.
Alternative energy concept set. Idea of ecology frinedly power and electricity. Save the environment. Solar panel and windmill. Isolated flat vector illustration

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