Did you hear that some experts are saying that pigeon poop may have been a contributing factor in that horrible Minneapolis bridge collapse?
Pigeon poop had been building up for years on the bridge despite efforts to curtail roosting on the steel support beams.
It seems that pigeons don't pee so their ammonium wastes are crystallized and come out as the white stuff in their fecal droppings. It's highly acidic and quite corrosive to steel.
I've always said "It's the little things that wear you down."
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