We have our feet to thank for walking, standing, running and so many other activities. They take the weight of the entire body day in, day out, so they are often overworked.
It has been calculated that in the Western World, every human being, during an 80-year lifetime, walks on average around 174.000 kilometers. That is about half the distance between the Earth and the Moon.
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http://www.euronews.net/
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