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The Netherlands has built 800 miles of massive dikes and sea walls to hold back the sea.
Your system of blood vessels is over 60,000 miles long. That's long enough to go around the world more than twice! See more
Half of all Americans live within 50 miles of their birthplace. See more
The longest sausage made in Australia was 11 kilometers (6.9 miles) long. See more
The typical laboratory mouse runs 2.5 miles per night on its treadmill. See more
The telescope on Mount Palomar, California, can see a distance of 7,038,835,200,000,000 million miles. See more
The light from your computer screen streams at you at almost 186,000 miles a second. See more
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