PREVIEW
... stood by the ticket counter, watching for a while, then moved away—something was wrong!
It was really weird!
How come those people were buying tickets without paying? That little metal box made a beep sound when swiped... what was that about?
What was she going to do?
Third Uncle said you need an ID to buy train tickets in the outside world, but the one he made for her didn't look like anyone else's?
And money...
Why weren't people here using money ...
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