This post was originally published on this siteCrystal Serenity, from Crystal Cruises, is a 740 berth uber-luxurious cruise ship. Featuring bars, casino, cinema, gym, library, nightclub, shops, swimming pool, spa, theatre, computer university at sea and much, much more. A floating paradise of education, fun, leisure and wellness.  Serenity’s first-class facilities put many a city to shame. Guests look forward to a day at sea when they have the time to make the most of the activities on offer. On world cruises, Serenity and her equally well-equipped sister ship, Crystal Symphony, offer more than enough activities and challenges to occupy guests for months on end.  Crystal Serenity demonstrates that the days when cruising leisure meant little more than deck chairs and deck quoits are long gone. 1. Learn about your ports of call On our Baltic cruise, seven ports of call and six countries, we had cultural anthropologist Dr Jim Rowe giving us insider guides to what made up the psyche of our hosts. Dr Rowe introduced us to the Swedish concept of “lagom”, the Swedes’ key to living well through moderation. Never too much, never too little. A balanced society where the royal family reject grandeur and drive themselves, where