81 Year Measured with Sand

This amount of sand will last for 81 years when put into hourglass. Just think about it - most of us live just about the same number of years. How short is that? Rolex Time sand is packed in 30 kg bags . Each bag’s content equals 30 days flowing in a standard hourglass. On the 18 palets, there are 972 bags with a total weight of 29.160 Kg. They last for 81 years- our generous estimation of an average lifestime.

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