Pikachu and Poké Ball
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圖像來源，Getty Images
We have picked out six that have never been on display. You can see where they were found on the HS2 route map below - then scroll further down to see the objects and read about their history.
In the world of highly-polished content on social media sites such as Instagram and as content feels increasingly automated, "people look for signals of lived experience, disagreement and nuance", says Oc.