When something has been left and not cleaned for a while, it can be satisfying to watch it return to its proper state - sometimes you can forget just how dirty something has got until you give it a good scrub. Brandon Anderson, who helps professional cleaners find clients, showed a video of someone doing just this to a filthy carpet, and the results are mesmerising.
The owner of the carpet didn't even realise that the carpet wasn't grey - they thought it was originally a chic grey shade, so they were shocked when it returned to its original hue - which was actually beige.
