Inaugural cruise: Today we go on maiden voyage with the new Sky Princess in Piraeus. We’re curious to see what’s new on the fourth Royal Class cruise ship… #skyprincess #princesscruises #piraeus #portofpiraeus #cruise #cruiseship #kreuzfahrt #kreuzfahrtschiff #jungfernfahrt #inauguralcruise #maidenvoyage #athens #greece #mediterraneancruise #mittelmeerkreuzfahrt