लाइट बल्ब, नवीकरणीय ऊर्जा, हरा, ऊंचा हो गया हुआ, पौधा, प्रकृति, वर्तमान, पर्यावरण, पारिस्थितिकी, परिदृश्य, वातावरण
Public Domain
प्रासंगिक तस्वीरें
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