aeroplane lavatory removes the contents of the toilet bowl from the pressurised cabin.But where does it go? Rumours that waste is simply ejected from the plane are untrue, with modern aircraft having their own septic tanks.But not everything in life goes to plan, and sometimes waste can escape from tanks, becoming what is known as 'blue ice'.
It is thought that blue ice events happen around 25 times per year.Andy Swann was standing in his garden in Stockingham Farm, Leicester, where he lives with his partner Gaynor when the 18-inch wide slab of frozen urine smashed into the roof of his house.
By his calculations it had only missed him by four feet. He said at the time: "There was a big bang and it hit the ridge tiles on the roof, then the.
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