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What is Below The Surface?
Dutch engineers drained Amsterdam's river to build a metro and put everything they found on the bottom online
![Below The Surface media 1](https://ph-files.imgix.net/905d2dbf-60aa-45bc-b5cf-b437b57ef048.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&fit=crop)
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Below The Surface
Dutch engineers drained Amsterdam's river to build a metro and put everything they found on the bottom online
![Below The Surface image](https://ph-files.imgix.net/905d2dbf-60aa-45bc-b5cf-b437b57ef048.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=150&h=90&fit=crop)