Tis’ the season to be merry, be jolly and be absolutely fabulous. All across the world, retailers are gearing up in the spirit of the season by decking out their stores with tributes to Christmas. Of all of these, the most spectacular are found in the windows of venerable luxury departmental stores; who, every year, go several hundred steps further by spinning tales of grandeur and style in the form of meticulously placed mise en scène dioramas. Here they are, our picks for the five best Christmas window displays of 2015, in all their glory.