But there are some less-obvious features too, like unexpected rubber ducks. Not just one in your bathroom, but lots of them hidden all over the ship. What the heck are these cruise ducks all about?

And this is no duck soup. Joining the raft of rubber ducks are white-coated doctors (ducktors?), firemen in uniform, reporters, golfers, plumbers and carpenters. Famous water fowl — Betty Boop ...

It’s simple: rubber ducks are supposed to look like baby ducks, which are yellow. Their fur will change to brown or white as they grow. Yellow rubber ducks also symbolise youth and childhood ...