If you are curious about just how far below sea level the Netherlands is, and have heard rumours about the airport being one of the lowest points, you might take a moment to stop by the Waterloo metro station.
On the wall is a depiction of various points relative to sea level, and as you ascend the stairs you can see tubes containing water for a more visual demonstration of just how far below the sea you are.
Waterlooplein metro station
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