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At any moment, about 2,000 thunderstorms are occurring worldwide. Learn how thunderstorms form, what causes lightning and thunder, and how these violent phenomena help balance the planet's energy and electricity.
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national geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
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Source: National Geographic
added by lilyZ
Source: National Geographic
added by lilyZ
Source: National Geographic