Image Description: rainbow over waterfall
Image category: Green (Sustainability, Environmental issues, Nature etc)
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Image Info & DownloadTags: rainbow, arch, power, powerful, waterfall, float, water fall, water power, ecology, green power, ecological, green energy, nature, ecofriendly, environment, environmental, electrical, nature friendly, energy, electricity, pollution, energy saving, hydration, irrigation, hydropower, hydroenergetics, hydroelectricity, hydroelectric power plant, pure energy