Manuarii Shan stood over a free-kick almost 30 yards from goal and his whipped left-footed effort was too much for goalkeeper Ilia Shalamanov-Trenkova, as the ball nestled in the corner.

The first hint that you’re not on a typical cruise comes long before the ship sails away from the pier. It happens the moment you step aboard — no jostling crowds, no echoing announcements, no endless ...