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:max_bytes(150000):strip_icc()/RioOlympicsswimmingpool-GettyImages-519838356-59c09963054ad90011cf5247.jpg "How Big is an Olympic-Size Swimming Pool?")
How Big is an Olympic-Size Swimming Pool?
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PUR - There are 1.5 billion trillion liters, or 800 trillion Olympic swimming pools of water on Earth. Read more water facts here: http://ow.ly/QIdiQ | Facebook
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