It’s usually safe to assume that on ocean going vessels, most everything is screwed into the deck or locked in a cubby. This was not the case on this 2010 cruise. After hitting a major storm off the coast of New Zealand, the ship sustained damage and several passengers were injured in the chaos. Luckily, a security camera caught the whole thing.
Watch as a ballroom full of chairs and tables is swept from side to side, as the massive ship struggles with the storm: