Watch Now You Know: Where does the sand on the beach come from? Streaming Online | iwonder
Now You Know: Where does the sand on the beach come from?
Now You Know: Where does the sand on the beach come from?

Now You Know: Where does the sand on the beach come from?

1 min • Health & Science, Nature & Environment • 2018

It's great for building castles and sculptures. But where does the sand come from?
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