Many books fall down - level 1
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Here is news from Belgium. People put many books on the floor. The books make a line.
There are 4,845 books. The line is 614 metres long. The first book falls down. It pushes down the second book. The second book moves the third book. The third book falls down. It goes like this. All the books fall down one by one. It takes six minutes.
This is the longest book line. It is a world record.
Difficult words: push (move), one by one (not at one moment).