What is it? 27

Have a look at this close-up photo. Can you guess what it is?
Well done! It’s an hourglass. 
 

hourglass

DID YOU KNOW?

The first hourglass, or sand clock, is said to have been invented by a French monk called Liutprand in the 8th century AD.

Discussion

What do you think it is? Let us know in the comments below.
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