How do large ships survive being tossed and heaved by waves on a rough open sea without breaking apart?

Question

How do large ships survive being tossed and heaved by waves on a rough open sea without breaking apart?

In: Engineering

Answer 1

I saw a video of a container ship, filmed along the row of bulkhead doors below deck. In the row of maybe, 20 doors, it flexed far enough that you could see the end of the row, then only the next door along. Both ways.