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This has been going on for a while: https://en.m.wikipedia.org/wiki/Magdeburg_hemispheres https://en.m.wikipedia.org/wiki/Magdeburg_hemispheres
by ararar 3y ago
This has been going on for a while: https://en.m.wikipedia.org/wiki/Magdeburg_hemispheres https://en.m.wikipedia.org/wiki/Magdeburg_hemispheres