Wonder of ScienceTimelapse of the Falkirk Wheel in action; the only rotating boat lift of its kind in the world.
Video Credit: David Iliff / CC BY-SA 3.0
Further reading: https://en.wikipedia.org/wiki/Falkirk_Wheel
Mr. Bruno 
@wonderofscience I found more (not sped up) videos on Google Maps. It's super slow, isn't it?
Graham Skeats #FBPPR🏴🇺🇦@mrbruno @wonderofscience. It's slow so the boats don't fly off. Or the water that they're floating in.