Sometimes it happens by accident. See the 2008 Universal Studios fire, which des...

		bredren 8 months ago \| parent \| context \| favorite \| on: Sneakers (1992) – 4K makeover sourced from the ori... Sometimes it happens by accident. See the 2008 Universal Studios fire, which destroyed music and film masters: https://en.wikipedia.org/wiki/2008_Universal_Studios_fire

...and is covered up for years.