We re-arranged our living room, removed and positioned shelves and dusted a felt million of books, our cat escaped outside fearing he'd get asthma from the clouds rising, which could be probably seen in London.
We have a dyson vacuum cleaner, it is the second one after the first one gave up after only a year (motor). We would have needed a hundred dust bags with an ordinary one. I obviously had forgotten i had that many submarine-related books, and my wife can now unfortunately estimate how much it really is