A San Franciso lamp post was chopped down by people constantly peeing on it - Fact Of The Day

Corosion is one of those words you hear about in year 9 science class along with 'biodegrading' and 'bunsen burner'. In San Franciso, a certain lamp post was always being urinated on, to the point where it coroded and came crashing down, nearly killing a poor citizen. Peeing on something to bring it down? Challenge accepted...

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